252115646701 has 2 divisors, whose sum is σ = 252115646702. Its totient is φ = 252115646700.

The previous prime is 252115646617. The next prime is 252115646719. The reversal of 252115646701 is 107646511252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243121969476 + 8993677225 = 493074^2 + 94835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252115646701 is a prime.

It is a super-2 number, since 2×252115646701² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252115646501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126057823350 + 126057823351.

It is an arithmetic number, because the mean of its divisors is an integer number (126057823351).

Almost surely, 2^252115646701 is an apocalyptic number.

It is an amenable number.

252115646701 is a deficient number, since it is larger than the sum of its proper divisors (1).

252115646701 is an equidigital number, since it uses as much as digits as its factorization.

252115646701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 252115646701 in words is "two hundred fifty-two billion, one hundred fifteen million, six hundred forty-six thousand, seven hundred one".