25256601 has 12 divisors (see below), whose sum is σ = 36824112. Its totient is φ = 16679736.

The previous prime is 25256597. The next prime is 25256633. The reversal of 25256601 is 10665252.

25256601 is a `hidden beast` number, since 2 + 5 + 2 + 56 + 601 = 666.

It is not a de Polignac number, because 25256601 - 2² = 25256597 is a prime.

It is a super-3 number, since 3×25256601³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25256641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12151 + ... + 14076.

It is an arithmetic number, because the mean of its divisors is an integer number (3068676).

Almost surely, 2^25256601 is an apocalyptic number.

It is an amenable number.

25256601 is a deficient number, since it is larger than the sum of its proper divisors (11567511).

25256601 is a wasteful number, since it uses less digits than its factorization.

25256601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26340 (or 26337 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 25256601 is about 5025.5945916876. The cubic root of 25256601 is about 293.3987782982.

The spelling of 25256601 in words is "twenty-five million, two hundred fifty-six thousand, six hundred one".