161294713 has 2 divisors, whose sum is σ = 161294714. Its totient is φ = 161294712.

The previous prime is 161294701. The next prime is 161294737. The reversal of 161294713 is 317492161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144672784 + 16621929 = 12028^2 + 4077^2 .

It is a cyclic number.

It is not a de Polignac number, because 161294713 - 2²⁵ = 127740281 is a prime.

It is not a weakly prime, because it can be changed into another prime (161294753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80647356 + 80647357.

It is an arithmetic number, because the mean of its divisors is an integer number (80647357).

Almost surely, 2^161294713 is an apocalyptic number.

It is an amenable number.

161294713 is a deficient number, since it is larger than the sum of its proper divisors (1).

161294713 is an equidigital number, since it uses as much as digits as its factorization.

161294713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 161294713 is about 12700.1855498256. The cubic root of 161294713 is about 544.3439211220.

The spelling of 161294713 in words is "one hundred sixty-one million, two hundred ninety-four thousand, seven hundred thirteen".