525772216522 has 32 divisors (see below), whose sum is σ = 925882755840. Its totient is φ = 219193827840.

The previous prime is 525772216517. The next prime is 525772216523. The reversal of 525772216522 is 225612277525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (525772216523) 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, 2358522 + ... + 2571802.

It is an arithmetic number, because the mean of its divisors is an integer number (28933836120).

Almost surely, 2^525772216522 is an apocalyptic number.

525772216522 is a deficient number, since it is larger than the sum of its proper divisors (400110539318).

525772216522 is a wasteful number, since it uses less digits than its factorization.

525772216522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218086.

The product of its digits is 1176000, while the sum is 46.

The spelling of 525772216522 in words is "five hundred twenty-five billion, seven hundred seventy-two million, two hundred sixteen thousand, five hundred twenty-two".