393425311 has 2 divisors, whose sum is σ = 393425312. Its totient is φ = 393425310.

The previous prime is 393425287. The next prime is 393425321. The reversal of 393425311 is 113524393.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 393425311 - 2²⁵ = 359870879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (393425321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196712655 + 196712656.

It is an arithmetic number, because the mean of its divisors is an integer number (196712656).

Almost surely, 2^393425311 is an apocalyptic number.

393425311 is a deficient number, since it is larger than the sum of its proper divisors (1).

393425311 is an equidigital number, since it uses as much as digits as its factorization.

393425311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 393425311 is about 19834.9517518949. The cubic root of 393425311 is about 732.7470841912.

The spelling of 393425311 in words is "three hundred ninety-three million, four hundred twenty-five thousand, three hundred eleven".