345251633 has 8 divisors (see below), whose sum is σ = 349188840. Its totient is φ = 341324800.

The previous prime is 345251617. The next prime is 345251639. The reversal of 345251633 is 336152543.

It can be written as a sum of positive squares in 4 ways, for example, as 227919409 + 117332224 = 15097^2 + 10832^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345251633 - 2⁴ = 345251617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345251633.

It is not an unprimeable number, because it can be changed into a prime (345251639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78353 + ... + 82641.

It is an arithmetic number, because the mean of its divisors is an integer number (43648605).

Almost surely, 2^345251633 is an apocalyptic number.

It is an amenable number.

345251633 is a deficient number, since it is larger than the sum of its proper divisors (3937207).

345251633 is a wasteful number, since it uses less digits than its factorization.

345251633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187.

The product of its digits is 32400, while the sum is 32.

The square root of 345251633 is about 18580.9481189739. The cubic root of 345251633 is about 701.5283836198.

The spelling of 345251633 in words is "three hundred forty-five million, two hundred fifty-one thousand, six hundred thirty-three".