525022220525 has 12 divisors (see below), whose sum is σ = 710211876864. Its totient is φ = 381834342000.

The previous prime is 525022220509. The next prime is 525022220537.

525022220525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 525022220525 - 2⁴ = 525022220509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525022220491 and 525022220500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954585581 + ... + 954586130.

It is an arithmetic number, because the mean of its divisors is an integer number (59184323072).

Almost surely, 2^525022220525 is an apocalyptic number.

525022220525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525022220525 is a deficient number, since it is larger than the sum of its proper divisors (185189656339).

525022220525 is a wasteful number, since it uses less digits than its factorization.

525022220525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909171732 (or 1909171727 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

It can be divided in two parts, 525022 and 220525, that added together give a palindrome (745547).

The spelling of 525022220525 in words is "five hundred twenty-five billion, twenty-two million, two hundred twenty thousand, five hundred twenty-five".