345261025 has 6 divisors (see below), whose sum is σ = 428123702. Its totient is φ = 276208800.

The previous prime is 345261017. The next prime is 345261029. The reversal of 345261025 is 520162543.

It can be written as a sum of positive squares in 3 ways, for example, as 115799121 + 229461904 = 10761^2 + 15148^2 .

It is not a de Polignac number, because 345261025 - 2³ = 345261017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345260984 and 345261002.

It is not an unprimeable number, because it can be changed into a prime (345261029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6905196 + ... + 6905245.

Almost surely, 2^345261025 is an apocalyptic number.

It is an amenable number.

345261025 is a deficient number, since it is larger than the sum of its proper divisors (82862677).

345261025 is a wasteful number, since it uses less digits than its factorization.

345261025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13810451 (or 13810446 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 345261025 is about 18581.2008492455. The cubic root of 345261025 is about 701.5347448688.

The spelling of 345261025 in words is "three hundred forty-five million, two hundred sixty-one thousand, twenty-five".