2351291 has 8 divisors (see below), whose sum is σ = 2462400. Its totient is φ = 2242240.

The previous prime is 2351281. The next prime is 2351303. The reversal of 2351291 is 1921532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2351291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2351201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126 + ... + 3036.

It is an arithmetic number, because the mean of its divisors is an integer number (307800).

2^2351291 is an apocalyptic number.

2351291 is a deficient number, since it is larger than the sum of its proper divisors (111109).

2351291 is an equidigital number, since it uses as much as digits as its factorization.

2351291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029.

The product of its digits is 540, while the sum is 23.

The square root of 2351291 is about 1533.3919916316. The cubic root of 2351291 is about 132.9746309990.

The spelling of 2351291 in words is "two million, three hundred fifty-one thousand, two hundred ninety-one".