3450825 has 54 divisors (see below), whose sum is σ = 7212894. Its totient is φ = 1572480.

The previous prime is 3450817. The next prime is 3450829. The reversal of 3450825 is 5280543.

3450825 = 241² + 242² + ... + 289².

It can be written as a sum of positive squares in 3 ways, for example, as 35721 + 3415104 = 189^2 + 1848^2 .

It is not a de Polignac number, because 3450825 - 2³ = 3450817 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3450829) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 10869 + ... + 11181.

Almost surely, 2^3450825 is an apocalyptic number.

3450825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3450825 is an abundant number, since it is smaller than the sum of its proper divisors (3762069).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3450825 is a wasteful number, since it uses less digits than its factorization.

3450825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3450825 is about 1857.6396313602. The cubic root of 3450825 is about 151.1150242683.

The spelling of 3450825 in words is "three million, four hundred fifty thousand, eight hundred twenty-five".