252312401 has 8 divisors (see below), whose sum is σ = 281963808. Its totient is φ = 223780000.

The previous prime is 252312397. The next prime is 252312449. The reversal of 252312401 is 104213252.

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 252312401 - 2² = 252312397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252318401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279275 + ... + 280176.

It is an arithmetic number, because the mean of its divisors is an integer number (35245476).

Almost surely, 2^252312401 is an apocalyptic number.

It is an amenable number.

252312401 is a deficient number, since it is larger than the sum of its proper divisors (29651407).

252312401 is a wasteful number, since it uses less digits than its factorization.

252312401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559503.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 252312401 is about 15884.3445253495. The cubic root of 252312401 is about 631.8968621753.

Adding to 252312401 its reverse (104213252), we get a palindrome (356525653).

The spelling of 252312401 in words is "two hundred fifty-two million, three hundred twelve thousand, four hundred one".