252551325919979 has 2 divisors, whose sum is σ = 252551325919980. Its totient is φ = 252551325919978.

The previous prime is 252551325919951. The next prime is 252551325920027. The reversal of 252551325919979 is 979919523155252.

It is a happy number.

252551325919979 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252551325919979 is a prime.

It is a super-2 number, since 2×252551325919979² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252551325919909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126275662959989 + 126275662959990.

It is an arithmetic number, because the mean of its divisors is an integer number (126275662959990).

Almost surely, 2^{252551325919979} is an apocalyptic number.

252551325919979 is a deficient number, since it is larger than the sum of its proper divisors (1).

252551325919979 is an equidigital number, since it uses as much as digits as its factorization.

252551325919979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688905000, while the sum is 74.

The spelling of 252551325919979 in words is "two hundred fifty-two trillion, five hundred fifty-one billion, three hundred twenty-five million, nine hundred nineteen thousand, nine hundred seventy-nine".