5156250493 has 4 divisors (see below), whose sum is σ = 5158695168. Its totient is φ = 5153805820.

The previous prime is 5156250439. The next prime is 5156250503. The reversal of 5156250493 is 3940526515.

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 a de Polignac number, because none of the positive numbers 2^k-5156250493 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156250413) 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, 1219171 + ... + 1223392.

It is an arithmetic number, because the mean of its divisors is an integer number (1289673792).

Almost surely, 2^5156250493 is an apocalyptic number.

It is an amenable number.

5156250493 is a deficient number, since it is larger than the sum of its proper divisors (2444675).

5156250493 is a wasteful number, since it uses less digits than its factorization.

5156250493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444674.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 5156250493 is about 71807.0365145367. The cubic root of 5156250493 is about 1727.6058625628.

The spelling of 5156250493 in words is "five billion, one hundred fifty-six million, two hundred fifty thousand, four hundred ninety-three".