52457129 has 2 divisors, whose sum is σ = 52457130. Its totient is φ = 52457128.

The previous prime is 52457117. The next prime is 52457131. The reversal of 52457129 is 92175425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36240400 + 16216729 = 6020^2 + 4027^2 .

It is a cyclic number.

It is not a de Polignac number, because 52457129 - 2¹² = 52453033 is a prime.

Together with 52457131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52457159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26228564 + 26228565.

It is an arithmetic number, because the mean of its divisors is an integer number (26228565).

Almost surely, 2^52457129 is an apocalyptic number.

It is an amenable number.

52457129 is a deficient number, since it is larger than the sum of its proper divisors (1).

52457129 is an equidigital number, since it uses as much as digits as its factorization.

52457129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 35.

The square root of 52457129 is about 7242.7293888423. The cubic root of 52457129 is about 374.3416692409.

The spelling of 52457129 in words is "fifty-two million, four hundred fifty-seven thousand, one hundred twenty-nine".