252606317701 has 2 divisors, whose sum is σ = 252606317702. Its totient is φ = 252606317700.

The previous prime is 252606317693. The next prime is 252606317723. The reversal of 252606317701 is 107713606252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196183441476 + 56422876225 = 442926^2 + 237535^2 .

It is a cyclic number.

It is not a de Polignac number, because 252606317701 - 2³ = 252606317693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252606317101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126303158850 + 126303158851.

It is an arithmetic number, because the mean of its divisors is an integer number (126303158851).

Almost surely, 2^252606317701 is an apocalyptic number.

It is an amenable number.

252606317701 is a deficient number, since it is larger than the sum of its proper divisors (1).

252606317701 is an equidigital number, since it uses as much as digits as its factorization.

252606317701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 252606317701 in words is "two hundred fifty-two billion, six hundred six million, three hundred seventeen thousand, seven hundred one".