451304252 has 48 divisors (see below), whose sum is σ = 946993152. Its totient is φ = 183997440.

The previous prime is 451304239. The next prime is 451304303. The reversal of 451304252 is 252403154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122477 + ... + 126107.

It is an arithmetic number, because the mean of its divisors is an integer number (19729024).

Almost surely, 2^451304252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451304252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473496576).

451304252 is an abundant number, since it is smaller than the sum of its proper divisors (495688900).

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

451304252 is a wasteful number, since it uses less digits than its factorization.

451304252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858 (or 3856 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 451304252 is about 21243.9227074474. The cubic root of 451304252 is about 767.0490594825.

The spelling of 451304252 in words is "four hundred fifty-one million, three hundred four thousand, two hundred fifty-two".