1657314497 has 2 divisors, whose sum is σ = 1657314498. Its totient is φ = 1657314496.

The previous prime is 1657314493. The next prime is 1657314499. The reversal of 1657314497 is 7944137561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1086295681 + 571018816 = 32959^2 + 23896^2 .

It is a cyclic number.

It is not a de Polignac number, because 1657314497 - 2² = 1657314493 is a prime.

Together with 1657314499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1657314493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 828657248 + 828657249.

It is an arithmetic number, because the mean of its divisors is an integer number (828657249).

Almost surely, 2^1657314497 is an apocalyptic number.

It is an amenable number.

1657314497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1657314497 is an equidigital number, since it uses as much as digits as its factorization.

1657314497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 1657314497 is about 40710.1276956975. The cubic root of 1657314497 is about 1183.4092959149.

The spelling of 1657314497 in words is "one billion, six hundred fifty-seven million, three hundred fourteen thousand, four hundred ninety-seven".