3225309491 has 4 divisors (see below), whose sum is σ = 3234294000. Its totient is φ = 3216324984.

The previous prime is 3225309469. The next prime is 3225309539. The reversal of 3225309491 is 1949035223.

It is a happy number.

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 3225309491 - 2⁶ = 3225309427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3225309401) 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, 4491716 + ... + 4492433.

It is an arithmetic number, because the mean of its divisors is an integer number (808573500).

Almost surely, 2^3225309491 is an apocalyptic number.

3225309491 is a deficient number, since it is larger than the sum of its proper divisors (8984509).

3225309491 is an equidigital number, since it uses as much as digits as its factorization.

3225309491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984508.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 3225309491 is about 56791.8083089454. The cubic root of 3225309491 is about 1477.4874417715.

The spelling of 3225309491 in words is "three billion, two hundred twenty-five million, three hundred nine thousand, four hundred ninety-one".