345440597 has 2 divisors, whose sum is σ = 345440598. Its totient is φ = 345440596.

The previous prime is 345440587. The next prime is 345440609. The reversal of 345440597 is 795044543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330003556 + 15437041 = 18166^2 + 3929^2 .

It is an emirp because it is prime and its reverse (795044543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345440597 - 2⁸ = 345440341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345440567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172720298 + 172720299.

It is an arithmetic number, because the mean of its divisors is an integer number (172720299).

Almost surely, 2^345440597 is an apocalyptic number.

It is an amenable number.

345440597 is a deficient number, since it is larger than the sum of its proper divisors (1).

345440597 is an equidigital number, since it uses as much as digits as its factorization.

345440597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 345440597 is about 18586.0323092370. The cubic root of 345440597 is about 701.6563477086.

The spelling of 345440597 in words is "three hundred forty-five million, four hundred forty thousand, five hundred ninety-seven".