451725512 has 32 divisors (see below), whose sum is σ = 987744000. Its totient is φ = 193595472.

The previous prime is 451725503. The next prime is 451725517. The reversal of 451725512 is 215527154.

It is not an unprimeable number, because it can be changed into a prime (451725517) 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, 79568 + ... + 85055.

It is an arithmetic number, because the mean of its divisors is an integer number (30867000).

Almost surely, 2^451725512 is an apocalyptic number.

It is an amenable number.

451725512 is an abundant number, since it is smaller than the sum of its proper divisors (536018488).

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

451725512 is a wasteful number, since it uses less digits than its factorization.

451725512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164650 (or 164632 counting only the distinct ones).

The product of its digits is 14000, while the sum is 32.

The square root of 451725512 is about 21253.8352303767. The cubic root of 451725512 is about 767.2876469387.

The spelling of 451725512 in words is "four hundred fifty-one million, seven hundred twenty-five thousand, five hundred twelve".