252400562321 has 8 divisors (see below), whose sum is σ = 252798276288. Its totient is φ = 252003150000.

The previous prime is 252400562243. The next prime is 252400562387. The reversal of 252400562321 is 123265004252.

252400562321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252400562321 - 2²² = 252396368017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252400762321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629596 + ... + 1777746.

It is an arithmetic number, because the mean of its divisors is an integer number (31599784536).

Almost surely, 2^252400562321 is an apocalyptic number.

It is an amenable number.

252400562321 is a deficient number, since it is larger than the sum of its proper divisors (397713967).

252400562321 is a wasteful number, since it uses less digits than its factorization.

252400562321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150823.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 252400562321 its reverse (123265004252), we get a palindrome (375665566573).

The spelling of 252400562321 in words is "two hundred fifty-two billion, four hundred million, five hundred sixty-two thousand, three hundred twenty-one".