353749117 has 2 divisors, whose sum is σ = 353749118. Its totient is φ = 353749116.

The previous prime is 353749061. The next prime is 353749133. The reversal of 353749117 is 711947353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264843076 + 88906041 = 16274^2 + 9429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353749117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 353749117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353746117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176874558 + 176874559.

It is an arithmetic number, because the mean of its divisors is an integer number (176874559).

Almost surely, 2^353749117 is an apocalyptic number.

It is an amenable number.

353749117 is a deficient number, since it is larger than the sum of its proper divisors (1).

353749117 is an equidigital number, since it uses as much as digits as its factorization.

353749117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 353749117 is about 18808.2194000389. The cubic root of 353749117 is about 707.2372413865.

The spelling of 353749117 in words is "three hundred fifty-three million, seven hundred forty-nine thousand, one hundred seventeen".