2550995 has 4 divisors (see below), whose sum is σ = 3061200. Its totient is φ = 2040792.

The previous prime is 2550991. The next prime is 2551009. The reversal of 2550995 is 5990552.

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 2550995 - 2² = 2550991 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2550991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255095 + ... + 255104.

It is an arithmetic number, because the mean of its divisors is an integer number (765300).

2^2550995 is an apocalyptic number.

2550995 is a deficient number, since it is larger than the sum of its proper divisors (510205).

2550995 is an equidigital number, since it uses as much as digits as its factorization.

2550995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510204.

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 2550995 is about 1597.1834584668. The cubic root of 2550995 is about 136.6374879871.

The spelling of 2550995 in words is "two million, five hundred fifty thousand, nine hundred ninety-five".