5256919 has 4 divisors (see below), whose sum is σ = 5343160. Its totient is φ = 5170680.

The previous prime is 5256883. The next prime is 5256929. The reversal of 5256919 is 9196525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5256919 is a prime.

It is a super-2 number, since 2×5256919² = 55270394745122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256929) 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, 43029 + ... + 43150.

It is an arithmetic number, because the mean of its divisors is an integer number (1335790).

Almost surely, 2^5256919 is an apocalyptic number.

5256919 is a deficient number, since it is larger than the sum of its proper divisors (86241).

5256919 is an equidigital number, since it uses as much as digits as its factorization.

5256919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86240.

The product of its digits is 24300, while the sum is 37.

The square root of 5256919 is about 2292.7971999285. The cubic root of 5256919 is about 173.8776499288.

The spelling of 5256919 in words is "five million, two hundred fifty-six thousand, nine hundred nineteen".