3250625 has 20 divisors (see below), whose sum is σ = 4648512. Its totient is φ = 2226000.

The previous prime is 3250619. The next prime is 3250627. The reversal of 3250625 is 5260523.

It is a happy number.

It is not a de Polignac number, because 3250625 - 2⁴ = 3250609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3250625.

It is not an unprimeable number, because it can be changed into a prime (3250627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4004 + ... + 4746.

Almost surely, 2^3250625 is an apocalyptic number.

3250625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3250625 is a deficient number, since it is larger than the sum of its proper divisors (1397887).

3250625 is an frugal number, since it uses more digits than its factorization.

3250625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 3250625 is about 1802.9489732103. The cubic root of 3250625 is about 148.1342979915.

The spelling of 3250625 in words is "three million, two hundred fifty thousand, six hundred twenty-five".