2451291 has 8 divisors (see below), whose sum is σ = 3310080. Its totient is φ = 1613352.

The previous prime is 2451289. The next prime is 2451299. The reversal of 2451291 is 1921542.

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

It is not a de Polignac number, because 2451291 - 2¹ = 2451289 is a prime.

2451291 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2451299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4935 + ... + 5408.

It is an arithmetic number, because the mean of its divisors is an integer number (413760).

2^2451291 is an apocalyptic number.

2451291 is a deficient number, since it is larger than the sum of its proper divisors (858789).

2451291 is a wasteful number, since it uses less digits than its factorization.

2451291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10425.

The product of its digits is 720, while the sum is 24.

The square root of 2451291 is about 1565.6599247602. The cubic root of 2451291 is about 134.8336496986.

It can be divided in two parts, 24 and 51291, that added together give a palindrome (51315).

The spelling of 2451291 in words is "two million, four hundred fifty-one thousand, two hundred ninety-one".