5257779 has 8 divisors (see below), whose sum is σ = 7046400. Its totient is φ = 3487176.

The previous prime is 5257771. The next prime is 5257781. The reversal of 5257779 is 9777525.

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

It is not a de Polignac number, because 5257779 - 2³ = 5257771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5257779.

It is not an unprimeable number, because it can be changed into a prime (5257771) 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, 3807 + ... + 5000.

It is an arithmetic number, because the mean of its divisors is an integer number (880800).

Almost surely, 2^5257779 is an apocalyptic number.

5257779 is a deficient number, since it is larger than the sum of its proper divisors (1788621).

5257779 is a wasteful number, since it uses less digits than its factorization.

5257779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009.

The product of its digits is 154350, while the sum is 42.

The square root of 5257779 is about 2292.9847361027. The cubic root of 5257779 is about 173.8871311874.

The spelling of 5257779 in words is "five million, two hundred fifty-seven thousand, seven hundred seventy-nine".