252425513 has 2 divisors, whose sum is σ = 252425514. Its totient is φ = 252425512.

The previous prime is 252425501. The next prime is 252425521. The reversal of 252425513 is 315524252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204718864 + 47706649 = 14308^2 + 6907^2 .

It is a cyclic number.

It is not a de Polignac number, because 252425513 - 2²² = 248231209 is a prime.

It is a super-2 number, since 2×252425513² = 127437279226626338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252425573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126212756 + 126212757.

It is an arithmetic number, because the mean of its divisors is an integer number (126212757).

Almost surely, 2^252425513 is an apocalyptic number.

It is an amenable number.

252425513 is a deficient number, since it is larger than the sum of its proper divisors (1).

252425513 is an equidigital number, since it uses as much as digits as its factorization.

252425513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 29.

The square root of 252425513 is about 15887.9046132585. The cubic root of 252425513 is about 631.9912748155.

Adding to 252425513 its reverse (315524252), we get a palindrome (567949765).

The spelling of 252425513 in words is "two hundred fifty-two million, four hundred twenty-five thousand, five hundred thirteen".