704253131 has 2 divisors, whose sum is σ = 704253132. Its totient is φ = 704253130.

The previous prime is 704253061. The next prime is 704253149. The reversal of 704253131 is 131352407.

It is a strong prime.

It is an emirp because it is prime and its reverse (131352407) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-704253131 is a prime.

It is a super-2 number, since 2×704253131² = 991944945046606322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 704253131.

It is not a weakly prime, because it can be changed into another prime (704253161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352126565 + 352126566.

It is an arithmetic number, because the mean of its divisors is an integer number (352126566).

Almost surely, 2^704253131 is an apocalyptic number.

704253131 is a deficient number, since it is larger than the sum of its proper divisors (1).

704253131 is an equidigital number, since it uses as much as digits as its factorization.

704253131 is an evil number, because the sum of its binary digits is even.

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

The square root of 704253131 is about 26537.7680108935. The cubic root of 704253131 is about 889.6986443423.

The spelling of 704253131 in words is "seven hundred four million, two hundred fifty-three thousand, one hundred thirty-one".