345565925 has 6 divisors (see below), whose sum is σ = 428501778. Its totient is φ = 276452720.

The previous prime is 345565889. The next prime is 345565937. The reversal of 345565925 is 529565543.

It can be written as a sum of positive squares in 3 ways, for example, as 1018081 + 344547844 = 1009^2 + 18562^2 .

It is not a de Polignac number, because 345565925 - 2⁸ = 345565669 is a prime.

It is a super-2 number, since 2×345565925² = 238831617042211250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6911294 + ... + 6911343.

It is an arithmetic number, because the mean of its divisors is an integer number (71416963).

Almost surely, 2^345565925 is an apocalyptic number.

It is an amenable number.

345565925 is a deficient number, since it is larger than the sum of its proper divisors (82935853).

345565925 is a wasteful number, since it uses less digits than its factorization.

345565925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13822647 (or 13822642 counting only the distinct ones).

The product of its digits is 810000, while the sum is 44.

The square root of 345565925 is about 18589.4035676242. The cubic root of 345565925 is about 701.7411925463.

The spelling of 345565925 in words is "three hundred forty-five million, five hundred sixty-five thousand, nine hundred twenty-five".