525216355352 has 16 divisors (see below), whose sum is σ = 1060533025440. Its totient is φ = 242407548576.

The previous prime is 525216355343. The next prime is 525216355361. The reversal of 525216355352 is 253553612525.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (525216355343) and next prime (525216355361).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525078528 + ... + 2525078735.

It is an arithmetic number, because the mean of its divisors is an integer number (66283314090).

Almost surely, 2^525216355352 is an apocalyptic number.

525216355352 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

525216355352 is an abundant number, since it is smaller than the sum of its proper divisors (535316670088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525216355352 is a wasteful number, since it uses less digits than its factorization.

525216355352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050157282 (or 5050157278 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 44.

Adding to 525216355352 its reverse (253553612525), we get a palindrome (778769967877).

The spelling of 525216355352 in words is "five hundred twenty-five billion, two hundred sixteen million, three hundred fifty-five thousand, three hundred fifty-two".