25315230 has 16 divisors (see below), whose sum is σ = 60756624. Its totient is φ = 6750720.

The previous prime is 25315229. The next prime is 25315253. The reversal of 25315230 is 3251352.

It is a junction number, because it is equal to n+sod(n) for n = 25315197 and 25315206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421891 + ... + 421950.

It is an arithmetic number, because the mean of its divisors is an integer number (3797289).

Almost surely, 2^25315230 is an apocalyptic number.

25315230 is an abundant number, since it is smaller than the sum of its proper divisors (35441394).

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

25315230 is a wasteful number, since it uses less digits than its factorization.

25315230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843851.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 25315230 is about 5031.4242516409. The cubic root of 25315230 is about 293.6256283513.

Adding to 25315230 its reverse (3251352), we get a palindrome (28566582).

The spelling of 25315230 in words is "twenty-five million, three hundred fifteen thousand, two hundred thirty".