3225731 has 4 divisors (see below), whose sum is σ = 3300792. Its totient is φ = 3150672.

The previous prime is 3225679. The next prime is 3225737. The reversal of 3225731 is 1375223.

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

It is a cyclic number.

It is not a de Polignac number, because 3225731 - 2⁶ = 3225667 is a prime.

It is a super-2 number, since 2×3225731² = 20810680968722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3225697 and 3225706.

It is not an unprimeable number, because it can be changed into a prime (3225737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37466 + ... + 37551.

It is an arithmetic number, because the mean of its divisors is an integer number (825198).

Almost surely, 2^3225731 is an apocalyptic number.

3225731 is a deficient number, since it is larger than the sum of its proper divisors (75061).

3225731 is an equidigital number, since it uses as much as digits as its factorization.

3225731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75060.

The product of its digits is 1260, while the sum is 23.

The square root of 3225731 is about 1796.0320153048. The cubic root of 3225731 is about 147.7551802223.

The spelling of 3225731 in words is "three million, two hundred twenty-five thousand, seven hundred thirty-one".