52451057 has 2 divisors, whose sum is σ = 52451058. Its totient is φ = 52451056.

The previous prime is 52451051. The next prime is 52451071. The reversal of 52451057 is 75015425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43546801 + 8904256 = 6599^2 + 2984^2 .

It is a cyclic number.

It is not a de Polignac number, because 52451057 - 2⁴ = 52451041 is a prime.

It is a super-2 number, since 2×52451057² = 5502226760834498, which contains 22 as substring.

It is a Chen prime.

It is equal to p_3139175 and since 52451057 and 3139175 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52451051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26225528 + 26225529.

It is an arithmetic number, because the mean of its divisors is an integer number (26225529).

Almost surely, 2^52451057 is an apocalyptic number.

It is an amenable number.

52451057 is a deficient number, since it is larger than the sum of its proper divisors (1).

52451057 is an equidigital number, since it uses as much as digits as its factorization.

52451057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 52451057 is about 7242.3101977201. The cubic root of 52451057 is about 374.3272251265.

The spelling of 52451057 in words is "fifty-two million, four hundred fifty-one thousand, fifty-seven".