345012657 has 16 divisors (see below), whose sum is σ = 507886848. Its totient is φ = 206577680.

The previous prime is 345012631. The next prime is 345012709. The reversal of 345012657 is 756210543.

It is a cyclic number.

It is not a de Polignac number, because 345012657 - 2⁷ = 345012529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (345012257) 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 15 ways as a sum of consecutive naturals, for example, 60243 + ... + 65720.

It is an arithmetic number, because the mean of its divisors is an integer number (31742928).

Almost surely, 2^345012657 is an apocalyptic number.

It is an amenable number.

345012657 is a deficient number, since it is larger than the sum of its proper divisors (162874191).

345012657 is a wasteful number, since it uses less digits than its factorization.

345012657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126060.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 345012657 is about 18574.5163328685. The cubic root of 345012657 is about 701.3664851408.

The spelling of 345012657 in words is "three hundred forty-five million, twelve thousand, six hundred fifty-seven".