2259751 has 4 divisors (see below), whose sum is σ = 2433592. Its totient is φ = 2085912.

The previous prime is 2259739. The next prime is 2259769. The reversal of 2259751 is 1579522.

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 2259751 - 2⁹ = 2259239 is a prime.

It is a Duffinian number.

2259751 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259731) 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, 86901 + ... + 86926.

It is an arithmetic number, because the mean of its divisors is an integer number (608398).

2^2259751 is an apocalyptic number.

2259751 is a deficient number, since it is larger than the sum of its proper divisors (173841).

2259751 is a wasteful number, since it uses less digits than its factorization.

2259751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173840.

The product of its digits is 6300, while the sum is 31.

The square root of 2259751 is about 1503.2468193880. The cubic root of 2259751 is about 131.2260920928.

The spelling of 2259751 in words is "two million, two hundred fifty-nine thousand, seven hundred fifty-one".