704985131 has 2 divisors, whose sum is σ = 704985132. Its totient is φ = 704985130.

The previous prime is 704985103. The next prime is 704985179. The reversal of 704985131 is 131589407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 704985131 - 2⁶ = 704985067 is a prime.

It is a super-2 number, since 2×704985131² = 994008069862174322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (704985031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352492565 + 352492566.

It is an arithmetic number, because the mean of its divisors is an integer number (352492566).

Almost surely, 2^704985131 is an apocalyptic number.

704985131 is a deficient number, since it is larger than the sum of its proper divisors (1).

704985131 is an equidigital number, since it uses as much as digits as its factorization.

704985131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 704985131 is about 26551.5560937584. The cubic root of 704985131 is about 890.0067882325.

The spelling of 704985131 in words is "seven hundred four million, nine hundred eighty-five thousand, one hundred thirty-one".