2550071 has 4 divisors (see below), whose sum is σ = 2572752. Its totient is φ = 2527392.

The previous prime is 2550059. The next prime is 2550073. The reversal of 2550071 is 1700552.

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-2550071 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550073) 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, 11171 + ... + 11396.

It is an arithmetic number, because the mean of its divisors is an integer number (643188).

2^2550071 is an apocalyptic number.

2550071 is a deficient number, since it is larger than the sum of its proper divisors (22681).

2550071 is a wasteful number, since it uses less digits than its factorization.

2550071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22680.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 2550071 is about 1596.8941730747. The cubic root of 2550071 is about 136.6209887668.

The spelling of 2550071 in words is "two million, five hundred fifty thousand, seventy-one".