25651672 has 16 divisors (see below), whose sum is σ = 50628600. Its totient is φ = 12150720.

The previous prime is 25651667. The next prime is 25651673. The reversal of 25651672 is 27615652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25651673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84229 + ... + 84532.

Almost surely, 2^25651672 is an apocalyptic number.

It is an amenable number.

25651672 is a deficient number, since it is larger than the sum of its proper divisors (24976928).

25651672 is a wasteful number, since it uses less digits than its factorization.

25651672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168786 (or 168782 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 25651672 is about 5064.7479700376. The cubic root of 25651672 is about 294.9206796220.

The spelling of 25651672 in words is "twenty-five million, six hundred fifty-one thousand, six hundred seventy-two".