18953252 has 12 divisors (see below), whose sum is σ = 33214860. Its totient is φ = 9463296.

The previous prime is 18953251. The next prime is 18953257. The reversal of 18953252 is 25235981.

It can be written as a sum of positive squares in 2 ways, for example, as 17355556 + 1597696 = 4166^2 + 1264^2 .

It is a super-2 number, since 2×18953252² = 718451522751008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18953251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308 + ... + 6164.

It is an arithmetic number, because the mean of its divisors is an integer number (2767905).

Almost surely, 2^18953252 is an apocalyptic number.

It is an amenable number.

18953252 is a deficient number, since it is larger than the sum of its proper divisors (14261608).

18953252 is a wasteful number, since it uses less digits than its factorization.

18953252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670 (or 6668 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 18953252 is about 4353.5332776953. The cubic root of 18953252 is about 266.6211387553.

The spelling of 18953252 in words is "eighteen million, nine hundred fifty-three thousand, two hundred fifty-two".