345302053 has 2 divisors, whose sum is σ = 345302054. Its totient is φ = 345302052.

The previous prime is 345302047. The next prime is 345302071. The reversal of 345302053 is 350203543.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326091364 + 19210689 = 18058^2 + 4383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345302053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345302033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172651026 + 172651027.

It is an arithmetic number, because the mean of its divisors is an integer number (172651027).

Almost surely, 2^345302053 is an apocalyptic number.

It is an amenable number.

345302053 is a deficient number, since it is larger than the sum of its proper divisors (1).

345302053 is an equidigital number, since it uses as much as digits as its factorization.

345302053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 345302053 is about 18582.3048355149. The cubic root of 345302053 is about 701.5625319878.

Adding to 345302053 its reverse (350203543), we get a palindrome (695505596).

The spelling of 345302053 in words is "three hundred forty-five million, three hundred two thousand, fifty-three".