451321052 has 24 divisors (see below), whose sum is σ = 972076896. Its totient is φ = 178544448.

The previous prime is 451321051. The next prime is 451321067. The reversal of 451321052 is 250123154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451321051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 619583 + ... + 620310.

It is an arithmetic number, because the mean of its divisors is an integer number (40503204).

Almost surely, 2^451321052 is an apocalyptic number.

It is an amenable number.

451321052 is an abundant number, since it is smaller than the sum of its proper divisors (520755844).

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

451321052 is a wasteful number, since it uses less digits than its factorization.

451321052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239917 (or 1239915 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 451321052 is about 21244.3181109679. The cubic root of 451321052 is about 767.0585772777.

The spelling of 451321052 in words is "four hundred fifty-one million, three hundred twenty-one thousand, fifty-two".