525454353924 has 12 divisors (see below), whose sum is σ = 1226060159184. Its totient is φ = 175151451304.

The previous prime is 525454353923. The next prime is 525454353953. The reversal of 525454353924 is 429353454525.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×525454353924² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525454353923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21893931402 + ... + 21893931425.

It is an arithmetic number, because the mean of its divisors is an integer number (102171679932).

Almost surely, 2^525454353924 is an apocalyptic number.

It is an amenable number.

525454353924 is an abundant number, since it is smaller than the sum of its proper divisors (700605805260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525454353924 is a wasteful number, since it uses less digits than its factorization.

525454353924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43787862834 (or 43787862832 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 51.

The spelling of 525454353924 in words is "five hundred twenty-five billion, four hundred fifty-four million, three hundred fifty-three thousand, nine hundred twenty-four".