451136252 has 24 divisors (see below), whose sum is σ = 907497696. Its totient is φ = 192224448.

The previous prime is 451136249. The next prime is 451136269. The reversal of 451136252 is 252631154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41723 + ... + 51410.

It is an arithmetic number, because the mean of its divisors is an integer number (37812404).

Almost surely, 2^451136252 is an apocalyptic number.

It is an amenable number.

451136252 is an abundant number, since it is smaller than the sum of its proper divisors (456361444).

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

451136252 is a wasteful number, since it uses less digits than its factorization.

451136252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93317 (or 93315 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 451136252 is about 21239.9682673963. The cubic root of 451136252 is about 766.9538685370.

The spelling of 451136252 in words is "four hundred fifty-one million, one hundred thirty-six thousand, two hundred fifty-two".