252102401 has 8 divisors (see below), whose sum is σ = 267079680. Its totient is φ = 237141568.

The previous prime is 252102377. The next prime is 252102419. The reversal of 252102401 is 104201252.

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

It is not a de Polignac number, because 252102401 - 2⁶ = 252102337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252102401.

It is not an unprimeable number, because it can be changed into a prime (252102601) 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, 42920 + ... + 48438.

It is an arithmetic number, because the mean of its divisors is an integer number (33384960).

Almost surely, 2^252102401 is an apocalyptic number.

It is an amenable number.

252102401 is a deficient number, since it is larger than the sum of its proper divisors (14977279).

252102401 is a wasteful number, since it uses less digits than its factorization.

252102401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8223.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 252102401 is about 15877.7328671319. The cubic root of 252102401 is about 631.7215039388.

Adding to 252102401 its reverse (104201252), we get a palindrome (356303653).

The spelling of 252102401 in words is "two hundred fifty-two million, one hundred two thousand, four hundred one".