2481599 has 4 divisors (see below), whose sum is σ = 2523720. Its totient is φ = 2439480.

The previous prime is 2481517. The next prime is 2481601. The reversal of 2481599 is 9951842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9951842 = 2 ⋅4975921.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2481599 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481509) 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, 20972 + ... + 21089.

It is an arithmetic number, because the mean of its divisors is an integer number (630930).

2^2481599 is an apocalyptic number.

2481599 is a deficient number, since it is larger than the sum of its proper divisors (42121).

2481599 is an equidigital number, since it uses as much as digits as its factorization.

2481599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42120.

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

The square root of 2481599 is about 1575.3091760032. The cubic root of 2481599 is about 135.3870738438.

The spelling of 2481599 in words is "two million, four hundred eighty-one thousand, five hundred ninety-nine".