345025 has 12 divisors (see below), whose sum is σ = 440572. Its totient is φ = 267840.

The previous prime is 345019. The next prime is 345041. The reversal of 345025 is 520543.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3969 + 341056 = 63^2 + 584^2 .

It is not a de Polignac number, because 345025 - 2³ = 345017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344993 and 345011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 739 + ... + 1111.

2³⁴⁵⁰²⁵ is an apocalyptic number.

It is an amenable number.

345025 is a deficient number, since it is larger than the sum of its proper divisors (95547).

345025 is a wasteful number, since it uses less digits than its factorization.

345025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 345025 is about 587.3882872513. The cubic root of 345025 is about 70.1374848953.

Adding to 345025 its reverse (520543), we get a palindrome (865568).

The spelling of 345025 in words is "three hundred forty-five thousand, twenty-five".