525944881 has 16 divisors (see below), whose sum is σ = 669110400. Its totient is φ = 409824240.

The previous prime is 525944873. The next prime is 525944891. The reversal of 525944881 is 188449525.

It is not a de Polignac number, because 525944881 - 2³ = 525944873 is a prime.

It is a super-2 number, since 2×525944881² = 553236035700208322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525944891) 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, 65926 + ... + 73471.

It is an arithmetic number, because the mean of its divisors is an integer number (41819400).

Almost surely, 2^525944881 is an apocalyptic number.

It is an amenable number.

525944881 is a deficient number, since it is larger than the sum of its proper divisors (143165519).

525944881 is a wasteful number, since it uses less digits than its factorization.

525944881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139429 (or 139415 counting only the distinct ones).

The product of its digits is 460800, while the sum is 46.

The square root of 525944881 is about 22933.4881995740. The cubic root of 525944881 is about 807.1980006003.

It can be divided in two parts, 52594 and 4881, that added together give a palindrome (57475).

The spelling of 525944881 in words is "five hundred twenty-five million, nine hundred forty-four thousand, eight hundred eighty-one".