25015672 has 16 divisors (see below), whose sum is σ = 51168600. Its totient is φ = 11370720.

The previous prime is 25015657. The next prime is 25015741. The reversal of 25015672 is 27651052.

It is a super-3 number, since 3×25015672³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 25015672.

It is a congruent number.

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, 142047 + ... + 142222.

Almost surely, 2^25015672 is an apocalyptic number.

25015672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25015672 is an abundant number, since it is smaller than the sum of its proper divisors (26152928).

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

25015672 is a wasteful number, since it uses less digits than its factorization.

25015672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284286 (or 284282 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 25015672 is about 5001.5669544654. The cubic root of 25015672 is about 292.4628613329.

The spelling of 25015672 in words is "twenty-five million, fifteen thousand, six hundred seventy-two".