25251652 has 6 divisors (see below), whose sum is σ = 44190398. Its totient is φ = 12625824.

The previous prime is 25251623. The next prime is 25251661. The reversal of 25251652 is 25615252.

It can be written as a sum of positive squares in only one way, i.e., 21307456 + 3944196 = 4616^2 + 1986^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25251652.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3156453 + ... + 3156460.

Almost surely, 2^25251652 is an apocalyptic number.

It is an amenable number.

25251652 is a deficient number, since it is larger than the sum of its proper divisors (18938746).

25251652 is a wasteful number, since it uses less digits than its factorization.

25251652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312917 (or 6312915 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 25251652 is about 5025.1021880157. The cubic root of 25251652 is about 293.3796133361.

The spelling of 25251652 in words is "twenty-five million, two hundred fifty-one thousand, six hundred fifty-two".