25016872 has 8 divisors (see below), whose sum is σ = 46906650. Its totient is φ = 12508432.

The previous prime is 25016839. The next prime is 25016897. The reversal of 25016872 is 27861052.

It can be written as a sum of positive squares in only one way, i.e., 23290276 + 1726596 = 4826^2 + 1314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563547 + ... + 1563562.

Almost surely, 2^25016872 is an apocalyptic number.

It is an amenable number.

25016872 is a deficient number, since it is larger than the sum of its proper divisors (21889778).

25016872 is a wasteful number, since it uses less digits than its factorization.

25016872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127115 (or 3127111 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 25016872 is about 5001.6869154316. The cubic root of 25016872 is about 292.4675377323.

The spelling of 25016872 in words is "twenty-five million, sixteen thousand, eight hundred seventy-two".