3217261147 has 4 divisors (see below), whose sum is σ = 3217815936. Its totient is φ = 3216706360.

The previous prime is 3217261139. The next prime is 3217261199. The reversal of 3217261147 is 7411627123.

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 3217261147 - 2³ = 3217261139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3217261447) 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, 268603 + ... + 280324.

It is an arithmetic number, because the mean of its divisors is an integer number (804453984).

Almost surely, 2^3217261147 is an apocalyptic number.

3217261147 is a deficient number, since it is larger than the sum of its proper divisors (554789).

3217261147 is an equidigital number, since it uses as much as digits as its factorization.

3217261147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554788.

The product of its digits is 14112, while the sum is 34.

The square root of 3217261147 is about 56720.9057314849. The cubic root of 3217261147 is about 1476.2574583082.

The spelling of 3217261147 in words is "three billion, two hundred seventeen million, two hundred sixty-one thousand, one hundred forty-seven".