1314030257 has 2 divisors, whose sum is σ = 1314030258. Its totient is φ = 1314030256.

The previous prime is 1314030239. The next prime is 1314030287. The reversal of 1314030257 is 7520304131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1143048481 + 170981776 = 33809^2 + 13076^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314030257 - 2¹⁶ = 1313964721 is a prime.

It is a super-2 number, since 2×1314030257² = 3453351032622972098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1314030217) 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, 657015128 + 657015129.

It is an arithmetic number, because the mean of its divisors is an integer number (657015129).

Almost surely, 2^1314030257 is an apocalyptic number.

It is an amenable number.

1314030257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314030257 is an equidigital number, since it uses as much as digits as its factorization.

1314030257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1314030257 is about 36249.5552662374. Note that the first 3 decimals coincide. The cubic root of 1314030257 is about 1095.3051301748.

Adding to 1314030257 its reverse (7520304131), we get a palindrome (8834334388).

The spelling of 1314030257 in words is "one billion, three hundred fourteen million, thirty thousand, two hundred fifty-seven".