313745269 has 2 divisors, whose sum is σ = 313745270. Its totient is φ = 313745268.

The previous prime is 313745249. The next prime is 313745297. The reversal of 313745269 is 962547313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310640625 + 3104644 = 17625^2 + 1762^2 .

It is a cyclic number.

It is not a de Polignac number, because 313745269 - 2¹³ = 313737077 is a prime.

It is a super-2 number, since 2×313745269² = 196872187639764722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313745209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156872634 + 156872635.

It is an arithmetic number, because the mean of its divisors is an integer number (156872635).

Almost surely, 2^313745269 is an apocalyptic number.

It is an amenable number.

313745269 is a deficient number, since it is larger than the sum of its proper divisors (1).

313745269 is an equidigital number, since it uses as much as digits as its factorization.

313745269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 313745269 is about 17712.8560373532. The cubic root of 313745269 is about 679.5045908621.

The spelling of 313745269 in words is "three hundred thirteen million, seven hundred forty-five thousand, two hundred sixty-nine".