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201325025 = 52111574663
BaseRepresentation
bin10111111111111…
…11100111100001
3112000211101000102
423333333213201
5403014400100
631551032145
74663143266
oct1377774741
9460741012
10201325025
11a3708520
125750b655
133292c445
141ca4926d
1512a1bcd5
hexbfff9e1

201325025 has 24 divisors (see below), whose sum is σ = 274131264. Its totient is φ = 145454400.

The previous prime is 201325001. The next prime is 201325027. The reversal of 201325025 is 520523102.

It is not a de Polignac number, because 201325025 - 210 = 201324001 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201324988 and 201325006.

It is not an unprimeable number, because it can be changed into a prime (201325027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40844 + ... + 45506.

It is an arithmetic number, because the mean of its divisors is an integer number (11422136).

Almost surely, 2201325025 is an apocalyptic number.

201325025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201325025 is a deficient number, since it is larger than the sum of its proper divisors (72806239).

201325025 is a wasteful number, since it uses less digits than its factorization.

201325025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4841 (or 4836 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 201325025 is about 14188.9049965105. The cubic root of 201325025 is about 586.0921715880.

Adding to 201325025 its reverse (520523102), we get a palindrome (721848127).

The spelling of 201325025 in words is "two hundred one million, three hundred twenty-five thousand, twenty-five".

Divisors: 1 5 11 25 55 157 275 785 1727 3925 4663 8635 23315 43175 51293 116575 256465 732091 1282325 3660455 8053001 18302275 40265005 201325025