3250005 has 16 divisors (see below), whose sum is σ = 5673024. Its totient is φ = 1575680.

The previous prime is 3249997. The next prime is 3250021. The reversal of 3250005 is 5000523.

It is not a de Polignac number, because 3250005 - 2³ = 3249997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9684 + ... + 10013.

It is an arithmetic number, because the mean of its divisors is an integer number (354564).

Almost surely, 2^3250005 is an apocalyptic number.

It is an amenable number.

3250005 is a deficient number, since it is larger than the sum of its proper divisors (2423019).

3250005 is a wasteful number, since it uses less digits than its factorization.

3250005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19716.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 3250005 is about 1802.7770244820. Note that the first 3 decimals coincide. The cubic root of 3250005 is about 148.1248793818.

Adding to 3250005 its reverse (5000523), we get a palindrome (8250528).

The spelling of 3250005 in words is "three million, two hundred fifty thousand, five".