525263431239 has 20 divisors (see below), whose sum is σ = 797951986920. Its totient is φ = 344240437680.

The previous prime is 525263431229. The next prime is 525263431267. The reversal of 525263431239 is 932134362525.

525263431239 is a `hidden beast` number, since 5 + 2 + 5 + 2 + 634 + 3 + 1 + 2 + 3 + 9 = 666.

525263431239 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 525263431239 - 2²⁰ = 525262382663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525263431194 and 525263431203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525263431229) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54950592 + ... + 54960149.

It is an arithmetic number, because the mean of its divisors is an integer number (39897599346).

Almost surely, 2^525263431239 is an apocalyptic number.

525263431239 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

525263431239 is a deficient number, since it is larger than the sum of its proper divisors (272688555681).

525263431239 is a wasteful number, since it uses less digits than its factorization.

525263431239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109910812 (or 109910803 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The spelling of 525263431239 in words is "five hundred twenty-five billion, two hundred sixty-three million, four hundred thirty-one thousand, two hundred thirty-nine".