345112697 has 2 divisors, whose sum is σ = 345112698. Its totient is φ = 345112696.

The previous prime is 345112661. The next prime is 345112709. The reversal of 345112697 is 796211543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286421776 + 58690921 = 16924^2 + 7661^2 .

It is a cyclic number.

It is not a de Polignac number, because 345112697 - 2²² = 340918393 is a prime.

It is a super-2 number, since 2×345112697² = 238205547261227618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345112697.

It is not a weakly prime, because it can be changed into another prime (345112997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172556348 + 172556349.

It is an arithmetic number, because the mean of its divisors is an integer number (172556349).

Almost surely, 2^345112697 is an apocalyptic number.

It is an amenable number.

345112697 is a deficient number, since it is larger than the sum of its proper divisors (1).

345112697 is an equidigital number, since it uses as much as digits as its factorization.

345112697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 345112697 is about 18577.2090745623. The cubic root of 345112697 is about 701.4342680865.

The spelling of 345112697 in words is "three hundred forty-five million, one hundred twelve thousand, six hundred ninety-seven".