501451452 has 24 divisors (see below), whose sum is σ = 1300059600. Its totient is φ = 167150448.

The previous prime is 501451427. The next prime is 501451453. The reversal of 501451452 is 254154105.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501451453) 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, 2321427 + ... + 2321642.

It is an arithmetic number, because the mean of its divisors is an integer number (54169150).

Almost surely, 2^501451452 is an apocalyptic number.

It is an amenable number.

501451452 is an abundant number, since it is smaller than the sum of its proper divisors (798608148).

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

501451452 is a wasteful number, since it uses less digits than its factorization.

501451452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643082 (or 4643074 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 501451452 is about 22393.1117087376. Note that the first 3 decimals coincide. The cubic root of 501451452 is about 794.4677961690.

The spelling of 501451452 in words is "five hundred one million, four hundred fifty-one thousand, four hundred fifty-two".