345359657 has 4 divisors (see below), whose sum is σ = 345480576. Its totient is φ = 345238740.

The previous prime is 345359653. The next prime is 345359681. The reversal of 345359657 is 756953543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345359657 - 2² = 345359653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345359653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56069 + ... + 61922.

It is an arithmetic number, because the mean of its divisors is an integer number (86370144).

Almost surely, 2^345359657 is an apocalyptic number.

It is an amenable number.

345359657 is a deficient number, since it is larger than the sum of its proper divisors (120919).

345359657 is a wasteful number, since it uses less digits than its factorization.

345359657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120918.

The product of its digits is 1701000, while the sum is 47.

The square root of 345359657 is about 18583.8547400694. The cubic root of 345359657 is about 701.6015418543.

The spelling of 345359657 in words is "three hundred forty-five million, three hundred fifty-nine thousand, six hundred fifty-seven".