5256761 has 4 divisors (see below), whose sum is σ = 5274192. Its totient is φ = 5239332.

The previous prime is 5256751. The next prime is 5256773. The reversal of 5256761 is 1676525.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5256761 - 2⁶ = 5256697 is a prime.

It is a super-2 number, since 2×5256761² = 55267072422242, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5256751) 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, 8255 + ... + 8868.

It is an arithmetic number, because the mean of its divisors is an integer number (1318548).

Almost surely, 2^5256761 is an apocalyptic number.

It is an amenable number.

5256761 is a deficient number, since it is larger than the sum of its proper divisors (17431).

5256761 is a wasteful number, since it uses less digits than its factorization.

5256761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17430.

The product of its digits is 12600, while the sum is 32.

The square root of 5256761 is about 2292.7627439402. The cubic root of 5256761 is about 173.8759079107.

The spelling of 5256761 in words is "five million, two hundred fifty-six thousand, seven hundred sixty-one".