3249551291 has 4 divisors (see below), whose sum is σ = 3713772912. Its totient is φ = 2785329672.

The previous prime is 3249551269. The next prime is 3249551329. The reversal of 3249551291 is 1921559423.

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 3249551291 - 2¹⁰ = 3249550267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3249551231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232110800 + ... + 232110813.

It is an arithmetic number, because the mean of its divisors is an integer number (928443228).

Almost surely, 2^3249551291 is an apocalyptic number.

3249551291 is a deficient number, since it is larger than the sum of its proper divisors (464221621).

3249551291 is an equidigital number, since it uses as much as digits as its factorization.

3249551291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464221620.

The product of its digits is 97200, while the sum is 41.

The square root of 3249551291 is about 57004.8356808438. The cubic root of 3249551291 is about 1481.1798619047.

The spelling of 3249551291 in words is "three billion, two hundred forty-nine million, five hundred fifty-one thousand, two hundred ninety-one".