2259813 has 8 divisors (see below), whose sum is σ = 3021408. Its totient is φ = 1502384.

The previous prime is 2259811. The next prime is 2259823. The reversal of 2259813 is 3189522.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2259813 - 2¹ = 2259811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259811) 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, 595 + ... + 2207.

It is an arithmetic number, because the mean of its divisors is an integer number (377676).

2^2259813 is an apocalyptic number.

It is an amenable number.

2259813 is a deficient number, since it is larger than the sum of its proper divisors (761595).

2259813 is a wasteful number, since it uses less digits than its factorization.

2259813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083.

The product of its digits is 4320, while the sum is 30.

The square root of 2259813 is about 1503.2674412758. The cubic root of 2259813 is about 131.2272922166.

The spelling of 2259813 in words is "two million, two hundred fifty-nine thousand, eight hundred thirteen".