525454431604 has 24 divisors (see below), whose sum is σ = 973677022920. Its totient is φ = 247262294016.

The previous prime is 525454431583. The next prime is 525454431617. The reversal of 525454431604 is 406134454525.

It can be written as a sum of positive squares in 4 ways, for example, as 451116409104 + 74338022500 = 671652^2 + 272650^2 .

It is a super-2 number, since 2×525454431604² (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 7 ways as a sum of consecutive naturals, for example, 1611214 + ... + 1909690.

It is an arithmetic number, because the mean of its divisors is an integer number (40569875955).

Almost surely, 2^525454431604 is an apocalyptic number.

It is an amenable number.

525454431604 is a deficient number, since it is larger than the sum of its proper divisors (448222591316).

525454431604 is a wasteful number, since it uses less digits than its factorization.

525454431604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324387 (or 324385 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 525454431604 in words is "five hundred twenty-five billion, four hundred fifty-four million, four hundred thirty-one thousand, six hundred four".