451621052 has 12 divisors (see below), whose sum is σ = 790777680. Its totient is φ = 225684576.

The previous prime is 451621043. The next prime is 451621057. The reversal of 451621052 is 250126154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451621057) 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, 23177 + ... + 37952.

It is an arithmetic number, because the mean of its divisors is an integer number (65898140).

Almost surely, 2^451621052 is an apocalyptic number.

It is an amenable number.

451621052 is a deficient number, since it is larger than the sum of its proper divisors (339156628).

451621052 is a wasteful number, since it uses less digits than its factorization.

451621052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62980 (or 62978 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 451621052 is about 21251.3776494608. The cubic root of 451621052 is about 767.2284981529.

The spelling of 451621052 in words is "four hundred fifty-one million, six hundred twenty-one thousand, fifty-two".