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2525257 = 7715081
BaseRepresentation
bin1001101000100001001001
311202022000001
421220201021
51121302012
6130043001
730315160
oct11504111
94668001
102525257
111475299
12a19461
136a5547
1449a3d7
1534d357
hex268849

2525257 has 8 divisors (see below), whose sum is σ = 2927232. Its totient is φ = 2133600.

The previous prime is 2525249. The next prime is 2525267. The reversal of 2525257 is 7525252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2525257 - 23 = 2525249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2044 + ... + 3037.

It is an arithmetic number, because the mean of its divisors is an integer number (365904).

22525257 is an apocalyptic number.

It is an amenable number.

2525257 is a deficient number, since it is larger than the sum of its proper divisors (401975).

2525257 is an equidigital number, since it uses as much as digits as its factorization.

2525257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159.

The product of its digits is 7000, while the sum is 28.

The square root of 2525257 is about 1589.1057233551. The cubic root of 2525257 is about 136.1764038753.

The spelling of 2525257 in words is "two million, five hundred twenty-five thousand, two hundred fifty-seven".

Divisors: 1 7 71 497 5081 35567 360751 2525257