252757613 has 2 divisors, whose sum is σ = 252757614. Its totient is φ = 252757612.

The previous prime is 252757607. The next prime is 252757621. The reversal of 252757613 is 316757252.

252757613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226111369 + 26646244 = 15037^2 + 5162^2 .

It is a cyclic number.

It is not a de Polignac number, because 252757613 - 2¹⁰ = 252756589 is a prime.

It is a super-3 number, since 3×252757613³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252757633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126378806 + 126378807.

It is an arithmetic number, because the mean of its divisors is an integer number (126378807).

Almost surely, 2^252757613 is an apocalyptic number.

It is an amenable number.

252757613 is a deficient number, since it is larger than the sum of its proper divisors (1).

252757613 is an equidigital number, since it uses as much as digits as its factorization.

252757613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 38.

The square root of 252757613 is about 15898.3525247115. The cubic root of 252757613 is about 632.2683101058.

The spelling of 252757613 in words is "two hundred fifty-two million, seven hundred fifty-seven thousand, six hundred thirteen".