2550523 has 4 divisors (see below), whose sum is σ = 2573208. Its totient is φ = 2527840.

The previous prime is 2550497. The next prime is 2550551. The reversal of 2550523 is 3250552.

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 2550523 - 2²¹ = 453371 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2550494 and 2550503.

It is not an unprimeable number, because it can be changed into a prime (2550563) 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, 11173 + ... + 11398.

It is an arithmetic number, because the mean of its divisors is an integer number (643302).

2^2550523 is an apocalyptic number.

2550523 is a deficient number, since it is larger than the sum of its proper divisors (22685).

2550523 is a wasteful number, since it uses less digits than its factorization.

2550523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22684.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 2550523 is about 1597.0356915235. The cubic root of 2550523 is about 136.6290603119.

The spelling of 2550523 in words is "two million, five hundred fifty thousand, five hundred twenty-three".