2495001805 has 16 divisors (see below), whose sum is σ = 3099542400. Its totient is φ = 1925743680.

The previous prime is 2495001781. The next prime is 2495001851. The reversal of 2495001805 is 5081005942.

It is not a de Polignac number, because 2495001805 - 2⁹ = 2495001293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216376 + ... + 227614.

It is an arithmetic number, because the mean of its divisors is an integer number (193721400).

Almost surely, 2^2495001805 is an apocalyptic number.

It is an amenable number.

2495001805 is a deficient number, since it is larger than the sum of its proper divisors (604540595).

2495001805 is a wasteful number, since it uses less digits than its factorization.

2495001805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12804.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 2495001805 is about 49949.9930430426. The cubic root of 2495001805 is about 1356.3037256213.

The spelling of 2495001805 in words is "two billion, four hundred ninety-five million, one thousand, eight hundred five".