3251445 has 24 divisors (see below), whose sum is σ = 5399328. Its totient is φ = 1669920.

The previous prime is 3251411. The next prime is 3251447. The reversal of 3251445 is 5441523.

It is not a de Polignac number, because 3251445 - 2⁷ = 3251317 is a prime.

3251445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3251447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45760 + ... + 45830.

It is an arithmetic number, because the mean of its divisors is an integer number (224972).

Almost surely, 2^3251445 is an apocalyptic number.

It is an amenable number.

3251445 is a deficient number, since it is larger than the sum of its proper divisors (2147883).

3251445 is an equidigital number, since it uses as much as digits as its factorization.

3251445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 122 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 3251445 is about 1803.1763640864. The cubic root of 3251445 is about 148.1467530231.

Adding to 3251445 its reverse (5441523), we get a palindrome (8692968).

It can be divided in two parts, 325 and 1445, that added together give a triangular number (1770 = T₅₉).

The spelling of 3251445 in words is "three million, two hundred fifty-one thousand, four hundred forty-five".