25543652 has 12 divisors (see below), whose sum is σ = 44970240. Its totient is φ = 12695016.

The previous prime is 25543631. The next prime is 25543663. The reversal of 25543652 is 25634552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18452 + ... + 19787.

It is an arithmetic number, because the mean of its divisors is an integer number (3747520).

Almost surely, 2^25543652 is an apocalyptic number.

It is an amenable number.

25543652 is a deficient number, since it is larger than the sum of its proper divisors (19426588).

25543652 is a wasteful number, since it uses less digits than its factorization.

25543652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38410 (or 38408 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 25543652 is about 5054.0728130885. The cubic root of 25543652 is about 294.5061237452.

The spelling of 25543652 in words is "twenty-five million, five hundred forty-three thousand, six hundred fifty-two".