18253952 has 16 divisors (see below), whose sum is σ = 36365550. Its totient is φ = 9126912.

The previous prime is 18253943. The next prime is 18253957. The reversal of 18253952 is 25935281.

It can be written as a sum of positive squares in only one way, i.e., 12222016 + 6031936 = 3496^2 + 2456^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (18253957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71177 + ... + 71432.

Almost surely, 2^18253952 is an apocalyptic number.

It is an amenable number.

18253952 is a deficient number, since it is larger than the sum of its proper divisors (18111598).

18253952 is an equidigital number, since it uses as much as digits as its factorization.

18253952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142623 (or 142611 counting only the distinct ones).

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

The square root of 18253952 is about 4272.4643942343. The cubic root of 18253952 is about 263.3008744197.

The spelling of 18253952 in words is "eighteen million, two hundred fifty-three thousand, nine hundred fifty-two".