345424507 has 2 divisors, whose sum is σ = 345424508. Its totient is φ = 345424506.

The previous prime is 345424493. The next prime is 345424523. The reversal of 345424507 is 705424543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345424507 - 2¹¹ = 345422459 is a prime.

It is not a weakly prime, because it can be changed into another prime (345424007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172712253 + 172712254.

It is an arithmetic number, because the mean of its divisors is an integer number (172712254).

Almost surely, 2^345424507 is an apocalyptic number.

345424507 is a deficient number, since it is larger than the sum of its proper divisors (1).

345424507 is an equidigital number, since it uses as much as digits as its factorization.

345424507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 345424507 is about 18585.5994522641. The cubic root of 345424507 is about 701.6454535770.

The spelling of 345424507 in words is "three hundred forty-five million, four hundred twenty-four thousand, five hundred seven".