25652190 has 32 divisors (see below), whose sum is σ = 63553536. Its totient is φ = 6619680.

The previous prime is 25652189. The next prime is 25652233. The reversal of 25652190 is 9125652.

It is a happy number.

It is a super-2 number, since 2×25652190² = 1316069703592200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12862 + ... + 14721.

It is an arithmetic number, because the mean of its divisors is an integer number (1986048).

Almost surely, 2^25652190 is an apocalyptic number.

25652190 is an abundant number, since it is smaller than the sum of its proper divisors (37901346).

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

25652190 is a wasteful number, since it uses less digits than its factorization.

25652190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27624.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 25652190 is about 5064.7991075659. The cubic root of 25652190 is about 294.9226647803.

The spelling of 25652190 in words is "twenty-five million, six hundred fifty-two thousand, one hundred ninety".