25012438 has 16 divisors (see below), whose sum is σ = 41006736. Its totient is φ = 11347840.

The previous prime is 25012433. The next prime is 25012441. The reversal of 25012438 is 83421052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25012433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20370 + ... + 21562.

It is an arithmetic number, because the mean of its divisors is an integer number (2562921).

Almost surely, 2^25012438 is an apocalyptic number.

25012438 is a deficient number, since it is larger than the sum of its proper divisors (15994298).

25012438 is a wasteful number, since it uses less digits than its factorization.

25012438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 25012438 is about 5001.2436453346. The cubic root of 25012438 is about 292.4502576918.

The spelling of 25012438 in words is "twenty-five million, twelve thousand, four hundred thirty-eight".