2599481 has 4 divisors (see below), whose sum is σ = 2643600. Its totient is φ = 2555364.

The previous prime is 2599451. The next prime is 2599489. The reversal of 2599481 is 1849952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2599481 is a prime.

It is a super-2 number, since 2×2599481² = 13514602938722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2599489) 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, 21971 + ... + 22088.

It is an arithmetic number, because the mean of its divisors is an integer number (660900).

2^2599481 is an apocalyptic number.

It is an amenable number.

2599481 is a deficient number, since it is larger than the sum of its proper divisors (44119).

2599481 is an equidigital number, since it uses as much as digits as its factorization.

2599481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44118.

The product of its digits is 25920, while the sum is 38.

The square root of 2599481 is about 1612.2906065595. The cubic root of 2599481 is about 137.4977366019.

The spelling of 2599481 in words is "two million, five hundred ninety-nine thousand, four hundred eighty-one".