345849599 has 2 divisors, whose sum is σ = 345849600. Its totient is φ = 345849598.

The previous prime is 345849593. The next prime is 345849601. The reversal of 345849599 is 995948543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345849599 - 2⁴ = 345849583 is a prime.

It is a super-2 number, since 2×345849599² = 239223890256921602, which contains 22 as substring.

Together with 345849601, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345849593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172924799 + 172924800.

It is an arithmetic number, because the mean of its divisors is an integer number (172924800).

Almost surely, 2^345849599 is an apocalyptic number.

345849599 is a deficient number, since it is larger than the sum of its proper divisors (1).

345849599 is an equidigital number, since it uses as much as digits as its factorization.

345849599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6998400, while the sum is 56.

The square root of 345849599 is about 18597.0319943802. The cubic root of 345849599 is about 701.9331590864.

The spelling of 345849599 in words is "three hundred forty-five million, eight hundred forty-nine thousand, five hundred ninety-nine".