5256511 has 16 divisors (see below), whose sum is σ = 5967360. Its totient is φ = 4596480.

The previous prime is 5256509. The next prime is 5256547. The reversal of 5256511 is 1156525.

It is a cyclic number.

It is not a de Polignac number, because 5256511 - 2¹ = 5256509 is a prime.

It is a Duffinian number.

5256511 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27426 + ... + 27616.

It is an arithmetic number, because the mean of its divisors is an integer number (372960).

Almost surely, 2^5256511 is an apocalyptic number.

5256511 is a deficient number, since it is larger than the sum of its proper divisors (710849).

5256511 is a wasteful number, since it uses less digits than its factorization.

5256511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306.

The product of its digits is 1500, while the sum is 25.

The square root of 5256511 is about 2292.7082239134. The cubic root of 5256511 is about 173.8731514817.

The spelling of 5256511 in words is "five million, two hundred fifty-six thousand, five hundred eleven".