5256578 has 16 divisors (see below), whose sum is σ = 8495520. Its totient is φ = 2431296.

The previous prime is 5256547. The next prime is 5256583. The reversal of 5256578 is 8756525.

It is a super-2 number, since 2×5256578² = 55263224540168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26 + ... + 3242.

It is an arithmetic number, because the mean of its divisors is an integer number (530970).

Almost surely, 2^5256578 is an apocalyptic number.

5256578 is a deficient number, since it is larger than the sum of its proper divisors (3238942).

5256578 is a wasteful number, since it uses less digits than its factorization.

5256578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281.

The product of its digits is 84000, while the sum is 38.

The square root of 5256578 is about 2292.7228354077. The cubic root of 5256578 is about 173.8738902132.

The spelling of 5256578 in words is "five million, two hundred fifty-six thousand, five hundred seventy-eight".