25896213 has 32 divisors (see below), whose sum is σ = 44145920. Its totient is φ = 14696640.

The previous prime is 25896203. The next prime is 25896251. The reversal of 25896213 is 31269852.

25896213 is a `hidden beast` number, since 2 + 589 + 62 + 13 = 666.

It is not a de Polignac number, because 25896213 - 2⁵ = 25896181 is a prime.

It is a super-2 number, since 2×25896213² = 1341227695482738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25896203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33831 + ... + 34587.

It is an arithmetic number, because the mean of its divisors is an integer number (1379560).

Almost surely, 2^25896213 is an apocalyptic number.

It is an amenable number.

25896213 is a deficient number, since it is larger than the sum of its proper divisors (18249707).

25896213 is a wasteful number, since it uses less digits than its factorization.

25896213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 948 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 25896213 is about 5088.8321843032. The cubic root of 25896213 is about 295.8548906771.

The spelling of 25896213 in words is "twenty-five million, eight hundred ninety-six thousand, two hundred thirteen".