2509995 has 16 divisors (see below), whose sum is σ = 4227840. Its totient is φ = 1268064.

The previous prime is 2509993. The next prime is 2510017. The reversal of 2509995 is 5999052.

2509995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2509995 - 2¹ = 2509993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2509993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4119 + ... + 4688.

It is an arithmetic number, because the mean of its divisors is an integer number (264240).

2^2509995 is an apocalyptic number.

2509995 is a deficient number, since it is larger than the sum of its proper divisors (1717845).

2509995 is a wasteful number, since it uses less digits than its factorization.

2509995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834.

The product of its (nonzero) digits is 36450, while the sum is 39.

The square root of 2509995 is about 1584.2963737887. The cubic root of 2509995 is about 135.9015110172.

The spelling of 2509995 in words is "two million, five hundred nine thousand, nine hundred ninety-five".