345537683 has 2 divisors, whose sum is σ = 345537684. Its totient is φ = 345537682.

The previous prime is 345537677. The next prime is 345537691. The reversal of 345537683 is 386735543.

It is a weak prime.

It is an emirp because it is prime and its reverse (386735543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345537683 - 2²⁶ = 278428819 is a prime.

It is not a weakly prime, because it can be changed into another prime (345537083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172768841 + 172768842.

It is an arithmetic number, because the mean of its divisors is an integer number (172768842).

Almost surely, 2^345537683 is an apocalyptic number.

345537683 is a deficient number, since it is larger than the sum of its proper divisors (1).

345537683 is an equidigital number, since it uses as much as digits as its factorization.

345537683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 44.

The square root of 345537683 is about 18588.6439257951. The cubic root of 345537683 is about 701.7220750029.

The spelling of 345537683 in words is "three hundred forty-five million, five hundred thirty-seven thousand, six hundred eighty-three".