18525484 has 6 divisors (see below), whose sum is σ = 32419604. Its totient is φ = 9262740.

The previous prime is 18525449. The next prime is 18525497. The reversal of 18525484 is 48452581.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2315682 + ... + 2315689.

Almost surely, 2^18525484 is an apocalyptic number.

It is an amenable number.

18525484 is a deficient number, since it is larger than the sum of its proper divisors (13894120).

18525484 is a wasteful number, since it uses less digits than its factorization.

18525484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631375 (or 4631373 counting only the distinct ones).

The product of its digits is 51200, while the sum is 37.

The square root of 18525484 is about 4304.1240688437. The cubic root of 18525484 is about 264.6000088745.

The spelling of 18525484 in words is "eighteen million, five hundred twenty-five thousand, four hundred eighty-four".