25073138 has 16 divisors (see below), whose sum is σ = 38386656. Its totient is φ = 12280320.

The previous prime is 25073129. The next prime is 25073173. The reversal of 25073138 is 83137052.

It is a self number, because there is not a number n which added to its sum of digits gives 25073138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21170 + ... + 22322.

It is an arithmetic number, because the mean of its divisors is an integer number (2399166).

Almost surely, 2^25073138 is an apocalyptic number.

25073138 is a deficient number, since it is larger than the sum of its proper divisors (13313518).

25073138 is a wasteful number, since it uses less digits than its factorization.

25073138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 25073138 is about 5007.3084586432. The cubic root of 25073138 is about 292.6866386215.

The spelling of 25073138 in words is "twenty-five million, seventy-three thousand, one hundred thirty-eight".