2498618257 has 2 divisors, whose sum is σ = 2498618258. Its totient is φ = 2498618256.

The previous prime is 2498618201. The next prime is 2498618293. The reversal of 2498618257 is 7528168942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1837922641 + 660695616 = 42871^2 + 25704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2498618257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2498618357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249309128 + 1249309129.

It is an arithmetic number, because the mean of its divisors is an integer number (1249309129).

Almost surely, 2^2498618257 is an apocalyptic number.

It is an amenable number.

2498618257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2498618257 is an equidigital number, since it uses as much as digits as its factorization.

2498618257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 2498618257 is about 49986.1806602585. The cubic root of 2498618257 is about 1356.9587203814.

The spelling of 2498618257 in words is "two billion, four hundred ninety-eight million, six hundred eighteen thousand, two hundred fifty-seven".