345648007 has 2 divisors, whose sum is σ = 345648008. Its totient is φ = 345648006.

The previous prime is 345648001. The next prime is 345648031. The reversal of 345648007 is 700846543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345648007 - 2²⁷ = 211430279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345648001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172824003 + 172824004.

It is an arithmetic number, because the mean of its divisors is an integer number (172824004).

Almost surely, 2^345648007 is an apocalyptic number.

345648007 is a deficient number, since it is larger than the sum of its proper divisors (1).

345648007 is an equidigital number, since it uses as much as digits as its factorization.

345648007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 345648007 is about 18591.6111996782. The cubic root of 345648007 is about 701.7967494906.

The spelling of 345648007 in words is "three hundred forty-five million, six hundred forty-eight thousand, seven".