3450625 has 10 divisors (see below), whose sum is σ = 4312682. Its totient is φ = 2760000.

The previous prime is 3450611. The next prime is 3450631. The reversal of 3450625 is 5260543.

It can be written as a sum of positive squares in 5 ways, for example, as 1739761 + 1710864 = 1319^2 + 1308^2 .

It is not a de Polignac number, because 3450625 - 2⁵ = 3450593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

3450625 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3450625.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2136 + ... + 3385.

Almost surely, 2^3450625 is an apocalyptic number.

It is an amenable number.

3450625 is a deficient number, since it is larger than the sum of its proper divisors (862057).

3450625 is an frugal number, since it uses more digits than its factorization.

3450625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541 (or 5526 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3450625 is about 1857.5857988260. The cubic root of 3450625 is about 151.1121048129.

The spelling of 3450625 in words is "three million, four hundred fifty thousand, six hundred twenty-five".