345857933 has 2 divisors, whose sum is σ = 345857934. Its totient is φ = 345857932.

The previous prime is 345857899. The next prime is 345857951. The reversal of 345857933 is 339758543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248283049 + 97574884 = 15757^2 + 9878^2 .

It is a cyclic number.

It is not a de Polignac number, because 345857933 - 2¹⁰ = 345856909 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 (345859933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172928966 + 172928967.

It is an arithmetic number, because the mean of its divisors is an integer number (172928967).

Almost surely, 2^345857933 is an apocalyptic number.

It is an amenable number.

345857933 is a deficient number, since it is larger than the sum of its proper divisors (1).

345857933 is an equidigital number, since it uses as much as digits as its factorization.

345857933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 47.

The square root of 345857933 is about 18597.2560610430. The cubic root of 345857933 is about 701.9387972444.

The spelling of 345857933 in words is "three hundred forty-five million, eight hundred fifty-seven thousand, nine hundred thirty-three".