2564099 has 4 divisors (see below), whose sum is σ = 2626680. Its totient is φ = 2501520.

The previous prime is 2564077. The next prime is 2564101. The reversal of 2564099 is 9904652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2564099 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2564039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31229 + ... + 31310.

It is an arithmetic number, because the mean of its divisors is an integer number (656670).

2^2564099 is an apocalyptic number.

2564099 is a deficient number, since it is larger than the sum of its proper divisors (62581).

2564099 is an equidigital number, since it uses as much as digits as its factorization.

2564099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62580.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2564099 is about 1601.2804251598. The cubic root of 2564099 is about 136.8710492108.

The spelling of 2564099 in words is "two million, five hundred sixty-four thousand, ninety-nine".