14014031257 has 2 divisors, whose sum is σ = 14014031258. Its totient is φ = 14014031256.

The previous prime is 14014031233. The next prime is 14014031303. The reversal of 14014031257 is 75213041041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11908047376 + 2105983881 = 109124^2 + 45891^2 .

It is a cyclic number.

It is not a de Polignac number, because 14014031257 - 2²³ = 14005642649 is a prime.

It is not a weakly prime, because it can be changed into another prime (14014031657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7007015628 + 7007015629.

It is an arithmetic number, because the mean of its divisors is an integer number (7007015629).

Almost surely, 2^14014031257 is an apocalyptic number.

It is an amenable number.

14014031257 is a deficient number, since it is larger than the sum of its proper divisors (1).

14014031257 is an equidigital number, since it uses as much as digits as its factorization.

14014031257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 14014031257 its reverse (75213041041), we get a palindrome (89227072298).

The spelling of 14014031257 in words is "fourteen billion, fourteen million, thirty-one thousand, two hundred fifty-seven".