52731149 has 2 divisors, whose sum is σ = 52731150. Its totient is φ = 52731148.

The previous prime is 52731113. The next prime is 52731167. The reversal of 52731149 is 94113725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37908649 + 14822500 = 6157^2 + 3850^2 .

It is a cyclic number.

It is not a de Polignac number, because 52731149 - 2²⁴ = 35953933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52731169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26365574 + 26365575.

It is an arithmetic number, because the mean of its divisors is an integer number (26365575).

Almost surely, 2^52731149 is an apocalyptic number.

It is an amenable number.

52731149 is a deficient number, since it is larger than the sum of its proper divisors (1).

52731149 is an equidigital number, since it uses as much as digits as its factorization.

52731149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 52731149 is about 7261.6216508436. The cubic root of 52731149 is about 374.9923530292.

The spelling of 52731149 in words is "fifty-two million, seven hundred thirty-one thousand, one hundred forty-nine".