52951139 has 2 divisors, whose sum is σ = 52951140. Its totient is φ = 52951138.

The previous prime is 52951123. The next prime is 52951147. The reversal of 52951139 is 93115925.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52951139 - 2⁴ = 52951123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52951099 and 52951108.

It is not a weakly prime, because it can be changed into another prime (52951109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26475569 + 26475570.

It is an arithmetic number, because the mean of its divisors is an integer number (26475570).

Almost surely, 2^52951139 is an apocalyptic number.

52951139 is a deficient number, since it is larger than the sum of its proper divisors (1).

52951139 is an equidigital number, since it uses as much as digits as its factorization.

52951139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12150, while the sum is 35.

The square root of 52951139 is about 7276.7533282364. The cubic root of 52951139 is about 375.5131085617.

The spelling of 52951139 in words is "fifty-two million, nine hundred fifty-one thousand, one hundred thirty-nine".