3250945 has 4 divisors (see below), whose sum is σ = 3901140. Its totient is φ = 2600752.

The previous prime is 3250913. The next prime is 3250979. The reversal of 3250945 is 5490523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5490523 = 1163 ⋅4721.

It can be written as a sum of positive squares in 2 ways, for example, as 1540081 + 1710864 = 1241^2 + 1308^2 .

It is a cyclic number.

It is not a de Polignac number, because 3250945 - 2⁵ = 3250913 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325090 + ... + 325099.

It is an arithmetic number, because the mean of its divisors is an integer number (975285).

Almost surely, 2^3250945 is an apocalyptic number.

It is an amenable number.

3250945 is a deficient number, since it is larger than the sum of its proper divisors (650195).

3250945 is an equidigital number, since it uses as much as digits as its factorization.

3250945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650194.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 3250945 is about 1803.0377145251. The cubic root of 3250945 is about 148.1391587408.

It can be divided in two parts, 32509 and 45, that multiplied together give a triangular number (1462905 = T₁₇₁₀).

The spelling of 3250945 in words is "three million, two hundred fifty thousand, nine hundred forty-five".