451963532 has 12 divisors (see below), whose sum is σ = 792011640. Its totient is φ = 225674496.

The previous prime is 451963487. The next prime is 451963537. The reversal of 451963532 is 235369154.

It is not an unprimeable number, because it can be changed into a prime (451963537) 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, 73493 + ... + 79404.

It is an arithmetic number, because the mean of its divisors is an integer number (66000970).

Almost surely, 2^451963532 is an apocalyptic number.

It is an amenable number.

451963532 is a deficient number, since it is larger than the sum of its proper divisors (340048108).

451963532 is a wasteful number, since it uses less digits than its factorization.

451963532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153640 (or 153638 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 451963532 is about 21259.4339529537. The cubic root of 451963532 is about 767.4223878625.

The spelling of 451963532 in words is "four hundred fifty-one million, nine hundred sixty-three thousand, five hundred thirty-two".