252075137 has 2 divisors, whose sum is σ = 252075138. Its totient is φ = 252075136.

The previous prime is 252075113. The next prime is 252075143. The reversal of 252075137 is 731570252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250873921 + 1201216 = 15839^2 + 1096^2 .

It is a cyclic number.

It is not a de Polignac number, because 252075137 - 2¹² = 252071041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252075107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126037568 + 126037569.

It is an arithmetic number, because the mean of its divisors is an integer number (126037569).

Almost surely, 2^252075137 is an apocalyptic number.

It is an amenable number.

252075137 is a deficient number, since it is larger than the sum of its proper divisors (1).

252075137 is an equidigital number, since it uses as much as digits as its factorization.

252075137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 252075137 is about 15876.8742830571. The cubic root of 252075137 is about 631.6987302882.

The spelling of 252075137 in words is "two hundred fifty-two million, seventy-five thousand, one hundred thirty-seven".