3251345 has 4 divisors (see below), whose sum is σ = 3901620. Its totient is φ = 2601072.

The previous prime is 3251333. The next prime is 3251357. The reversal of 3251345 is 5431523.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3251333) and next prime (3251357).

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 1926544 = 1151^2 + 1388^2 .

It is a cyclic number.

It is not a de Polignac number, because 3251345 - 2¹² = 3247249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3251345.

It is a congruent number.

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, 325130 + ... + 325139.

It is an arithmetic number, because the mean of its divisors is an integer number (975405).

Almost surely, 2^3251345 is an apocalyptic number.

It is an amenable number.

3251345 is a deficient number, since it is larger than the sum of its proper divisors (650275).

3251345 is an equidigital number, since it uses as much as digits as its factorization.

3251345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650274.

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

The square root of 3251345 is about 1803.1486350271. The cubic root of 3251345 is about 148.1452342290.

Adding to 3251345 its reverse (5431523), we get a palindrome (8682868).

The spelling of 3251345 in words is "three million, two hundred fifty-one thousand, three hundred forty-five".