25897230 has 24 divisors (see below), whose sum is σ = 67333032. Its totient is φ = 6905904.

The previous prime is 25897219. The next prime is 25897237. The reversal of 25897230 is 3279852.

It is a happy number.

25897230 is a `hidden beast` number, since 2 + 589 + 72 + 3 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25897237) 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 11 ways as a sum of consecutive naturals, for example, 143784 + ... + 143963.

It is an arithmetic number, because the mean of its divisors is an integer number (2805543).

Almost surely, 2^25897230 is an apocalyptic number.

25897230 is an abundant number, since it is smaller than the sum of its proper divisors (41435802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25897230 is a wasteful number, since it uses less digits than its factorization.

25897230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287760 (or 287757 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 25897230 is about 5088.9321080164. The cubic root of 25897230 is about 295.8587635791.

The spelling of 25897230 in words is "twenty-five million, eight hundred ninety-seven thousand, two hundred thirty".