252411304352 has 12 divisors (see below), whose sum is σ = 496934755506. Its totient is φ = 126205652160.

The previous prime is 252411304339. The next prime is 252411304361. The reversal of 252411304352 is 253403114252.

It can be written as a sum of positive squares in only one way, i.e., 157199562256 + 95211742096 = 396484^2 + 308564^2 .

It is a super-3 number, since 3×252411304352³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 7887853261 = 252411304352 / (2 + 5 + 2 + 4 + 1 + 1 + 3 + 0 + 4 + 3 + 5 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3943926599 + ... + 3943926662.

Almost surely, 2^252411304352 is an apocalyptic number.

It is an amenable number.

252411304352 is a deficient number, since it is larger than the sum of its proper divisors (244523451154).

252411304352 is an equidigital number, since it uses as much as digits as its factorization.

252411304352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7887853271 (or 7887853263 counting only the distinct ones).

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

The spelling of 252411304352 in words is "two hundred fifty-two billion, four hundred eleven million, three hundred four thousand, three hundred fifty-two".