451731652 has 12 divisors (see below), whose sum is σ = 796218640. Its totient is φ = 224240616.

The previous prime is 451731601. The next prime is 451731653. The reversal of 451731652 is 256137154.

It is a super-2 number, since 2×451731652² = 408122970837298208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451731653) 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, 405678 + ... + 406789.

Almost surely, 2^451731652 is an apocalyptic number.

It is an amenable number.

451731652 is a deficient number, since it is larger than the sum of its proper divisors (344486988).

451731652 is a wasteful number, since it uses less digits than its factorization.

451731652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812610 (or 812608 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 451731652 is about 21253.9796744045. The cubic root of 451731652 is about 767.2911233306.

The spelling of 451731652 in words is "four hundred fifty-one million, seven hundred thirty-one thousand, six hundred fifty-two".