5257979 has 4 divisors (see below), whose sum is σ = 5268240. Its totient is φ = 5247720.

The previous prime is 5257957. The next prime is 5257991. The reversal of 5257979 is 9797525.

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

It is a cyclic number.

It is not a de Polignac number, because 5257979 - 2⁸ = 5257723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5257949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4319 + ... + 5400.

It is an arithmetic number, because the mean of its divisors is an integer number (1317060).

Almost surely, 2^5257979 is an apocalyptic number.

5257979 is a deficient number, since it is larger than the sum of its proper divisors (10261).

5257979 is an equidigital number, since it uses as much as digits as its factorization.

5257979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10260.

The product of its digits is 198450, while the sum is 44.

The square root of 5257979 is about 2293.0283469683. The cubic root of 5257979 is about 173.8893359831.

The spelling of 5257979 in words is "five million, two hundred fifty-seven thousand, nine hundred seventy-nine".