345502307 has 2 divisors, whose sum is σ = 345502308. Its totient is φ = 345502306.

The previous prime is 345502303. The next prime is 345502321. The reversal of 345502307 is 703205543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345502307 - 2² = 345502303 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345502307.

It is not a weakly prime, because it can be changed into another prime (345502303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172751153 + 172751154.

It is an arithmetic number, because the mean of its divisors is an integer number (172751154).

Almost surely, 2^345502307 is an apocalyptic number.

345502307 is a deficient number, since it is larger than the sum of its proper divisors (1).

345502307 is an equidigital number, since it uses as much as digits as its factorization.

345502307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 345502307 is about 18587.6923527371. The cubic root of 345502307 is about 701.6981268504.

The spelling of 345502307 in words is "three hundred forty-five million, five hundred two thousand, three hundred seven".