25538474 has 32 divisors (see below), whose sum is σ = 43110144. Its totient is φ = 11269440.

The previous prime is 25538459. The next prime is 25538483. The reversal of 25538474 is 47483552.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59039 + ... + 59469.

It is an arithmetic number, because the mean of its divisors is an integer number (1347192).

Almost surely, 2^25538474 is an apocalyptic number.

25538474 is a deficient number, since it is larger than the sum of its proper divisors (17571670).

25538474 is a wasteful number, since it uses less digits than its factorization.

25538474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its digits is 134400, while the sum is 38.

The square root of 25538474 is about 5053.5605269948. The cubic root of 25538474 is about 294.4862224437.

The spelling of 25538474 in words is "twenty-five million, five hundred thirty-eight thousand, four hundred seventy-four".