5256558371 has 4 divisors (see below), whose sum is σ = 5272439544. Its totient is φ = 5240677200.

The previous prime is 5256558361. The next prime is 5256558397. The reversal of 5256558371 is 1738556525.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5256558371 - 2¹⁴ = 5256541987 is a prime.

It is a super-3 number, since 3×5256558371³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5256558361) 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, 7940090 + ... + 7940751.

It is an arithmetic number, because the mean of its divisors is an integer number (1318109886).

Almost surely, 2^5256558371 is an apocalyptic number.

5256558371 is a deficient number, since it is larger than the sum of its proper divisors (15881173).

5256558371 is a wasteful number, since it uses less digits than its factorization.

5256558371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15881172.

The product of its digits is 1260000, while the sum is 47.

The square root of 5256558371 is about 72502.1266653607. The cubic root of 5256558371 is about 1738.7367378757.

The spelling of 5256558371 in words is "five billion, two hundred fifty-six million, five hundred fifty-eight thousand, three hundred seventy-one".