5126663251 has 4 divisors (see below), whose sum is σ = 5126817312. Its totient is φ = 5126509192.

The previous prime is 5126663249. The next prime is 5126663299. The reversal of 5126663251 is 1523666215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1523666215 = 5 ⋅304733243.

It is a cyclic number.

It is not a de Polignac number, because 5126663251 - 2¹ = 5126663249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5126663251.

It is not an unprimeable number, because it can be changed into a prime (5126661251) 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, 4096 + ... + 101341.

It is an arithmetic number, because the mean of its divisors is an integer number (1281704328).

Almost surely, 2^5126663251 is an apocalyptic number.

5126663251 is a deficient number, since it is larger than the sum of its proper divisors (154061).

5126663251 is a wasteful number, since it uses less digits than its factorization.

5126663251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154060.

The product of its digits is 64800, while the sum is 37.

The square root of 5126663251 is about 71600.7210229059. The cubic root of 5126663251 is about 1724.2951122386.

The spelling of 5126663251 in words is "five billion, one hundred twenty-six million, six hundred sixty-three thousand, two hundred fifty-one".