246606257 has 2 divisors, whose sum is σ = 246606258. Its totient is φ = 246606256.

The previous prime is 246606229. The next prime is 246606259. The reversal of 246606257 is 752606642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209931121 + 36675136 = 14489^2 + 6056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246606257 is a prime.

Together with 246606259, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 246606257.

It is not a weakly prime, because it can be changed into another prime (246606259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123303128 + 123303129.

It is an arithmetic number, because the mean of its divisors is an integer number (123303129).

Almost surely, 2^246606257 is an apocalyptic number.

It is an amenable number.

246606257 is a deficient number, since it is larger than the sum of its proper divisors (1).

246606257 is an equidigital number, since it uses as much as digits as its factorization.

246606257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 246606257 is about 15703.7020157669. The cubic root of 246606257 is about 627.0969625021.

The spelling of 246606257 in words is "two hundred forty-six million, six hundred six thousand, two hundred fifty-seven".