345849601 has 2 divisors, whose sum is σ = 345849602. Its totient is φ = 345849600.

The previous prime is 345849599. The next prime is 345849607. The reversal of 345849601 is 106948543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335768976 + 10080625 = 18324^2 + 3175^2 .

It is a cyclic number.

It is not a de Polignac number, because 345849601 - 2¹ = 345849599 is a prime.

It is a super-2 number, since 2×345849601² = 239223893023718402, which contains 22 as substring.

Together with 345849599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (345849607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172924800 + 172924801.

It is an arithmetic number, because the mean of its divisors is an integer number (172924801).

Almost surely, 2^345849601 is an apocalyptic number.

It is an amenable number.

345849601 is a deficient number, since it is larger than the sum of its proper divisors (1).

345849601 is an equidigital number, since it uses as much as digits as its factorization.

345849601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 345849601 is about 18597.0320481522. The cubic root of 345849601 is about 701.9331604395.

The spelling of 345849601 in words is "three hundred forty-five million, eight hundred forty-nine thousand, six hundred one".