342505507 has 2 divisors, whose sum is σ = 342505508. Its totient is φ = 342505506.

The previous prime is 342505487. The next prime is 342505517. The reversal of 342505507 is 705505243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342505507 - 2⁷ = 342505379 is a prime.

It is not a weakly prime, because it can be changed into another prime (342505517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171252753 + 171252754.

It is an arithmetic number, because the mean of its divisors is an integer number (171252754).

Almost surely, 2^342505507 is an apocalyptic number.

342505507 is a deficient number, since it is larger than the sum of its proper divisors (1).

342505507 is an equidigital number, since it uses as much as digits as its factorization.

342505507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 342505507 is about 18506.9043062312. The cubic root of 342505507 is about 699.6634484201.

The spelling of 342505507 in words is "three hundred forty-two million, five hundred five thousand, five hundred seven".