539538479 has 4 divisors (see below), whose sum is σ = 546368160. Its totient is φ = 532708800.

The previous prime is 539538449. The next prime is 539538487. The reversal of 539538479 is 974835935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539538479 is a prime.

It is a super-2 number, since 2×539538479² = 582203540643266882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 539538479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539538449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3414722 + ... + 3414879.

It is an arithmetic number, because the mean of its divisors is an integer number (136592040).

Almost surely, 2^539538479 is an apocalyptic number.

539538479 is a deficient number, since it is larger than the sum of its proper divisors (6829681).

539538479 is an equidigital number, since it uses as much as digits as its factorization.

539538479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6829680.

The product of its digits is 4082400, while the sum is 53.

The square root of 539538479 is about 23227.9676037315. The cubic root of 539538479 is about 814.0932261265.

The spelling of 539538479 in words is "five hundred thirty-nine million, five hundred thirty-eight thousand, four hundred seventy-nine".