252511417 has 2 divisors, whose sum is σ = 252511418. Its totient is φ = 252511416.

The previous prime is 252511397. The next prime is 252511459. The reversal of 252511417 is 714115252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238887936 + 13623481 = 15456^2 + 3691^2 .

It is a cyclic number.

It is not a de Polignac number, because 252511417 - 2⁷ = 252511289 is a prime.

It is a Chen prime.

It is equal to p_13809160 and since 252511417 and 13809160 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 (252511477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126255708 + 126255709.

It is an arithmetic number, because the mean of its divisors is an integer number (126255709).

Almost surely, 2^252511417 is an apocalyptic number.

It is an amenable number.

252511417 is a deficient number, since it is larger than the sum of its proper divisors (1).

252511417 is an equidigital number, since it uses as much as digits as its factorization.

252511417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 28.

The square root of 252511417 is about 15890.6078234912. The cubic root of 252511417 is about 632.0629585640.

Adding to 252511417 its reverse (714115252), we get a palindrome (966626669).

The spelling of 252511417 in words is "two hundred fifty-two million, five hundred eleven thousand, four hundred seventeen".