2725999 has 4 divisors (see below), whose sum is σ = 2736864. Its totient is φ = 2715136.

The previous prime is 2725997. The next prime is 2726023. The reversal of 2725999 is 9995272.

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 2725999 - 2¹ = 2725997 is a prime.

It is a Duffinian number.

2725999 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725997) 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, 5047 + ... + 5560.

It is an arithmetic number, because the mean of its divisors is an integer number (684216).

2^2725999 is an apocalyptic number.

2725999 is a deficient number, since it is larger than the sum of its proper divisors (10865).

2725999 is a wasteful number, since it uses less digits than its factorization.

2725999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10864.

The product of its digits is 102060, while the sum is 43.

The square root of 2725999 is about 1651.0599625695. The cubic root of 2725999 is about 139.6931886554.

The spelling of 2725999 in words is "two million, seven hundred twenty-five thousand, nine hundred ninety-nine".