525373781825 has 12 divisors (see below), whose sum is σ = 685751042160. Its totient is φ = 398178023760.

The previous prime is 525373781813. The next prime is 525373781831. The reversal of 525373781825 is 528187373525.

It is not a de Polignac number, because 525373781825 - 2⁴ = 525373781809 is a prime.

It is a super-2 number, since 2×525373781825² (a number of 24 digits) contains 22 as substring.

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, 553024559 + ... + 553025508.

It is an arithmetic number, because the mean of its divisors is an integer number (57145920180).

Almost surely, 2^525373781825 is an apocalyptic number.

It is an amenable number.

525373781825 is a deficient number, since it is larger than the sum of its proper divisors (160377260335).

525373781825 is a wasteful number, since it uses less digits than its factorization.

525373781825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106050096 (or 1106050091 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 56.

The spelling of 525373781825 in words is "five hundred twenty-five billion, three hundred seventy-three million, seven hundred eighty-one thousand, eight hundred twenty-five".