345039053 has 2 divisors, whose sum is σ = 345039054. Its totient is φ = 345039052.

The previous prime is 345039049. The next prime is 345039137. The reversal of 345039053 is 350930543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309302569 + 35736484 = 17587^2 + 5978^2 .

It is a cyclic number.

It is not a de Polignac number, because 345039053 - 2² = 345039049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345039553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172519526 + 172519527.

It is an arithmetic number, because the mean of its divisors is an integer number (172519527).

Almost surely, 2^345039053 is an apocalyptic number.

It is an amenable number.

345039053 is a deficient number, since it is larger than the sum of its proper divisors (1).

345039053 is an equidigital number, since it uses as much as digits as its factorization.

345039053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 345039053 is about 18575.2268626792. The cubic root of 345039053 is about 701.3843712456.

Adding to 345039053 its reverse (350930543), we get a palindrome (695969596).

The spelling of 345039053 in words is "three hundred forty-five million, thirty-nine thousand, fifty-three".