1334673257 has 2 divisors, whose sum is σ = 1334673258. Its totient is φ = 1334673256.

The previous prime is 1334673211. The next prime is 1334673271. The reversal of 1334673257 is 7523764331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149277801 + 185395456 = 33901^2 + 13616^2 .

It is an emirp because it is prime and its reverse (7523764331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1334673257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1334673157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667336628 + 667336629.

It is an arithmetic number, because the mean of its divisors is an integer number (667336629).

Almost surely, 2^1334673257 is an apocalyptic number.

It is an amenable number.

1334673257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1334673257 is an equidigital number, since it uses as much as digits as its factorization.

1334673257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 41.

The square root of 1334673257 is about 36533.1802201779. The cubic root of 1334673257 is about 1101.0109870671.

The spelling of 1334673257 in words is "one billion, three hundred thirty-four million, six hundred seventy-three thousand, two hundred fifty-seven".