345961625 has 8 divisors (see below), whose sum is σ = 431760264. Its totient is φ = 276769200.

The previous prime is 345961621. The next prime is 345961639. The reversal of 345961625 is 526169543.

It can be written as a sum of positive squares in 4 ways, for example, as 1042441 + 344919184 = 1021^2 + 18572^2 .

It is not a de Polignac number, because 345961625 - 2² = 345961621 is a prime.

It is a super-3 number, since 3×345961625³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345961621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383722 + ... + 1383971.

It is an arithmetic number, because the mean of its divisors is an integer number (53970033).

Almost surely, 2^345961625 is an apocalyptic number.

It is an amenable number.

345961625 is a deficient number, since it is larger than the sum of its proper divisors (85798639).

345961625 is an equidigital number, since it uses as much as digits as its factorization.

345961625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767708 (or 2767698 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 345961625 is about 18600.0436827444. The cubic root of 345961625 is about 702.0089398839.

The spelling of 345961625 in words is "three hundred forty-five million, nine hundred sixty-one thousand, six hundred twenty-five".