525079139 has 8 divisors (see below), whose sum is σ = 571300800. Its totient is φ = 479690496.

The previous prime is 525079073. The next prime is 525079141. The reversal of 525079139 is 931970525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525079139 - 2²⁴ = 508301923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525079096 and 525079105.

It is not an unprimeable number, because it can be changed into a prime (525079039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206939 + ... + 209460.

It is an arithmetic number, because the mean of its divisors is an integer number (71412600).

Almost surely, 2^525079139 is an apocalyptic number.

525079139 is a deficient number, since it is larger than the sum of its proper divisors (46221661).

525079139 is a wasteful number, since it uses less digits than its factorization.

525079139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416509.

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 525079139 is about 22914.6053642649. The cubic root of 525079139 is about 806.7548559375.

The spelling of 525079139 in words is "five hundred twenty-five million, seventy-nine thousand, one hundred thirty-nine".