51134579 has 2 divisors, whose sum is σ = 51134580. Its totient is φ = 51134578.

The previous prime is 51134563. The next prime is 51134591. The reversal of 51134579 is 97543115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51134579 - 2⁴ = 51134563 is a prime.

It is a super-2 number, since 2×51134579² = 5229490339014482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51134539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25567289 + 25567290.

It is an arithmetic number, because the mean of its divisors is an integer number (25567290).

Almost surely, 2^51134579 is an apocalyptic number.

51134579 is a deficient number, since it is larger than the sum of its proper divisors (1).

51134579 is an equidigital number, since it uses as much as digits as its factorization.

51134579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 35.

The square root of 51134579 is about 7150.8446354259. The cubic root of 51134579 is about 371.1688843931.

The spelling of 51134579 in words is "fifty-one million, one hundred thirty-four thousand, five hundred seventy-nine".