451511252 has 24 divisors (see below), whose sum is σ = 827002176. Its totient is φ = 215284608.

The previous prime is 451511251. The next prime is 451511261. The reversal of 451511252 is 252115154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451511251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23723 + ... + 38285.

It is an arithmetic number, because the mean of its divisors is an integer number (34458424).

Almost surely, 2^451511252 is an apocalyptic number.

It is an amenable number.

451511252 is a deficient number, since it is larger than the sum of its proper divisors (375490924).

451511252 is a wasteful number, since it uses less digits than its factorization.

451511252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14927 (or 14925 counting only the distinct ones).

The product of its digits is 2000, while the sum is 26.

The square root of 451511252 is about 21248.7941304913. The cubic root of 451511252 is about 767.1663158456.

The spelling of 451511252 in words is "four hundred fifty-one million, five hundred eleven thousand, two hundred fifty-two".