345494507 has 2 divisors, whose sum is σ = 345494508. Its totient is φ = 345494506.

The previous prime is 345494459. The next prime is 345494543. The reversal of 345494507 is 705494543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345494507 - 2⁸ = 345494251 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (345493507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172747253 + 172747254.

It is an arithmetic number, because the mean of its divisors is an integer number (172747254).

Almost surely, 2^345494507 is an apocalyptic number.

345494507 is a deficient number, since it is larger than the sum of its proper divisors (1).

345494507 is an equidigital number, since it uses as much as digits as its factorization.

345494507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 345494507 is about 18587.4825352978. The cubic root of 345494507 is about 701.6928463391.

The spelling of 345494507 in words is "three hundred forty-five million, four hundred ninety-four thousand, five hundred seven".