252552557357 has 2 divisors, whose sum is σ = 252552557358. Its totient is φ = 252552557356.

The previous prime is 252552557353. The next prime is 252552557371. The reversal of 252552557357 is 753755255252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217108470601 + 35444086756 = 465949^2 + 188266^2 .

It is a cyclic number.

It is not a de Polignac number, because 252552557357 - 2² = 252552557353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252552557299 and 252552557308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252552557353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126276278678 + 126276278679.

It is an arithmetic number, because the mean of its divisors is an integer number (126276278679).

Almost surely, 2^252552557357 is an apocalyptic number.

It is an amenable number.

252552557357 is a deficient number, since it is larger than the sum of its proper divisors (1).

252552557357 is an equidigital number, since it uses as much as digits as its factorization.

252552557357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18375000, while the sum is 53.

The spelling of 252552557357 in words is "two hundred fifty-two billion, five hundred fifty-two million, five hundred fifty-seven thousand, three hundred fifty-seven".