525445544525 has 48 divisors (see below), whose sum is σ = 735933659136. Its totient is φ = 368695800000.

The previous prime is 525445544509. The next prime is 525445544551.

525445544525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 525445544525 - 2⁴ = 525445544509 is a prime.

It is a super-2 number, since 2×525445544525² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2728670 + ... + 2914880.

It is an arithmetic number, because the mean of its divisors is an integer number (15331951232).

Almost surely, 2^525445544525 is an apocalyptic number.

525445544525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525445544525 is a deficient number, since it is larger than the sum of its proper divisors (210488114611).

525445544525 is a wasteful number, since it uses less digits than its factorization.

525445544525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186594 (or 186589 counting only the distinct ones).

The product of its digits is 16000000, while the sum is 50.

The spelling of 525445544525 in words is "five hundred twenty-five billion, four hundred forty-five million, five hundred forty-four thousand, five hundred twenty-five".