18525950 has 24 divisors (see below), whose sum is σ = 36273720. Its totient is φ = 7020000.

The previous prime is 18525919. The next prime is 18525953. The reversal of 18525950 is 5952581.

It is a self number, because there is not a number n which added to its sum of digits gives 18525950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18525953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8801 + ... + 10700.

It is an arithmetic number, because the mean of its divisors is an integer number (1511405).

Almost surely, 2^18525950 is an apocalyptic number.

18525950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18525950 is a deficient number, since it is larger than the sum of its proper divisors (17747770).

18525950 is a wasteful number, since it uses less digits than its factorization.

18525950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19532 (or 19527 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 18525950 is about 4304.1782026306. The cubic root of 18525950 is about 264.6022274863.

The spelling of 18525950 in words is "eighteen million, five hundred twenty-five thousand, nine hundred fifty".