451252004 has 24 divisors (see below), whose sum is σ = 903412608. Its totient is φ = 193199040.

The previous prime is 451252003. The next prime is 451252031. The reversal of 451252004 is 400252154.

It is a happy number.

It is a super-2 number, since 2×451252004² = 407256742228032032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451252003) 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, 22184 + ... + 37344.

It is an arithmetic number, because the mean of its divisors is an integer number (37642192).

Almost surely, 2^451252004 is an apocalyptic number.

It is an amenable number.

451252004 is an abundant number, since it is smaller than the sum of its proper divisors (452160604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451252004 is a wasteful number, since it uses less digits than its factorization.

451252004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16235 (or 16233 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 451252004 is about 21242.6929554612. The cubic root of 451252004 is about 767.0194576299.

The spelling of 451252004 in words is "four hundred fifty-one million, two hundred fifty-two thousand, four".