25330438 has 16 divisors (see below), whose sum is σ = 43948800. Its totient is φ = 10724616.

The previous prime is 25330423. The next prime is 25330453. The reversal of 25330438 is 83403352.

It is an interprime number because it is at equal distance from previous prime (25330423) and next prime (25330453).

It is a congruent number.

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, 9738 + ... + 12061.

It is an arithmetic number, because the mean of its divisors is an integer number (2746800).

Almost surely, 2^25330438 is an apocalyptic number.

25330438 is a deficient number, since it is larger than the sum of its proper divisors (18618362).

25330438 is a wasteful number, since it uses less digits than its factorization.

25330438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21891.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 25330438 is about 5032.9353264273. The cubic root of 25330438 is about 293.6844146321.

The spelling of 25330438 in words is "twenty-five million, three hundred thirty thousand, four hundred thirty-eight".