252551357 has 2 divisors, whose sum is σ = 252551358. Its totient is φ = 252551356.

The previous prime is 252551353. The next prime is 252551359. The reversal of 252551357 is 753155252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141586201 + 110965156 = 11899^2 + 10534^2 .

It is a cyclic number.

It is not a de Polignac number, because 252551357 - 2² = 252551353 is a prime.

Together with 252551359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252551353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126275678 + 126275679.

It is an arithmetic number, because the mean of its divisors is an integer number (126275679).

Almost surely, 2^252551357 is an apocalyptic number.

It is an amenable number.

252551357 is a deficient number, since it is larger than the sum of its proper divisors (1).

252551357 is an equidigital number, since it uses as much as digits as its factorization.

252551357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52500, while the sum is 35.

The square root of 252551357 is about 15891.8644909904. The cubic root of 252551357 is about 632.0962814978.

The spelling of 252551357 in words is "two hundred fifty-two million, five hundred fifty-one thousand, three hundred fifty-seven".