345253133 has 2 divisors, whose sum is σ = 345253134. Its totient is φ = 345253132.

The previous prime is 345253127. The next prime is 345253157. The reversal of 345253133 is 331352543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267584164 + 77668969 = 16358^2 + 8813^2 .

It is a cyclic number.

It is not a de Polignac number, because 345253133 - 2⁸ = 345252877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345253096 and 345253105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345253193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172626566 + 172626567.

It is an arithmetic number, because the mean of its divisors is an integer number (172626567).

Almost surely, 2^345253133 is an apocalyptic number.

It is an amenable number.

345253133 is a deficient number, since it is larger than the sum of its proper divisors (1).

345253133 is an equidigital number, since it uses as much as digits as its factorization.

345253133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 29.

The square root of 345253133 is about 18580.9884828553. The cubic root of 345253133 is about 701.5293995851.

The spelling of 345253133 in words is "three hundred forty-five million, two hundred fifty-three thousand, one hundred thirty-three".