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2530525 = 52101221
BaseRepresentation
bin1001101001110011011101
311202120020011
421221303131
51121434100
6130123221
730336424
oct11516335
94676204
102530525
111479248
12a20511
136a7a6a
1449c2bb
1534ebba
hex269cdd

2530525 has 6 divisors (see below), whose sum is σ = 3137882. Its totient is φ = 2024400.

The previous prime is 2530519. The next prime is 2530543. The reversal of 2530525 is 5250352.

It can be written as a sum of positive squares in 3 ways, for example, as 15129 + 2515396 = 123^2 + 1586^2 .

It is not a de Polignac number, because 2530525 - 29 = 2530013 is a prime.

It is a Duffinian number.

2530525 is a lucky number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2530496 and 2530505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50586 + ... + 50635.

22530525 is an apocalyptic number.

2530525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2530525 is a deficient number, since it is larger than the sum of its proper divisors (607357).

2530525 is a wasteful number, since it uses less digits than its factorization.

2530525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101231 (or 101226 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 2530525 is about 1590.7623958341. The cubic root of 2530525 is about 136.2710317392.

Adding to 2530525 its reverse (5250352), we get a palindrome (7780877).

The spelling of 2530525 in words is "two million, five hundred thirty thousand, five hundred twenty-five".

Divisors: 1 5 25 101221 506105 2530525