2951317 has 4 divisors (see below), whose sum is σ = 2991820. Its totient is φ = 2910816.

The previous prime is 2951309. The next prime is 2951323. The reversal of 2951317 is 7131592.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2187441 + 763876 = 1479^2 + 874^2 .

It is a cyclic number.

It is not a de Polignac number, because 2951317 - 2³ = 2951309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2951617) 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, 20142 + ... + 20287.

It is an arithmetic number, because the mean of its divisors is an integer number (747955).

2^2951317 is an apocalyptic number.

It is an amenable number.

2951317 is a deficient number, since it is larger than the sum of its proper divisors (40503).

2951317 is an equidigital number, since it uses as much as digits as its factorization.

2951317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40502.

The product of its digits is 1890, while the sum is 28.

The square root of 2951317 is about 1717.9397544734. The cubic root of 2951317 is about 143.4405537502.

The spelling of 2951317 in words is "two million, nine hundred fifty-one thousand, three hundred seventeen".