345825629 has 2 divisors, whose sum is σ = 345825630. Its totient is φ = 345825628.

The previous prime is 345825619. The next prime is 345825703. The reversal of 345825629 is 926528543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332880025 + 12945604 = 18245^2 + 3598^2 .

It is a cyclic number.

It is not a de Polignac number, because 345825629 - 2¹² = 345821533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345825629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345825619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172912814 + 172912815.

It is an arithmetic number, because the mean of its divisors is an integer number (172912815).

Almost surely, 2^345825629 is an apocalyptic number.

It is an amenable number.

345825629 is a deficient number, since it is larger than the sum of its proper divisors (1).

345825629 is an equidigital number, since it uses as much as digits as its factorization.

345825629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 44.

The square root of 345825629 is about 18596.3875255384. The cubic root of 345825629 is about 701.9169422814.

The spelling of 345825629 in words is "three hundred forty-five million, eight hundred twenty-five thousand, six hundred twenty-nine".