252350413521 has 16 divisors (see below), whose sum is σ = 343449443520. Its totient is φ = 164754233280.

The previous prime is 252350413519. The next prime is 252350413529. The reversal of 252350413521 is 125314053252.

It is not a de Polignac number, because 252350413521 - 2¹ = 252350413519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252350413529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380811 + ... + 1552848.

It is an arithmetic number, because the mean of its divisors is an integer number (21465590220).

Almost surely, 2^252350413521 is an apocalyptic number.

It is an amenable number.

252350413521 is a deficient number, since it is larger than the sum of its proper divisors (91099029999).

252350413521 is a wasteful number, since it uses less digits than its factorization.

252350413521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934256.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 252350413521 its reverse (125314053252), we get a palindrome (377664466773).

The spelling of 252350413521 in words is "two hundred fifty-two billion, three hundred fifty million, four hundred thirteen thousand, five hundred twenty-one".