2550623 has 4 divisors (see below), whose sum is σ = 2588760. Its totient is φ = 2512488.

The previous prime is 2550619. The next prime is 2550641. The reversal of 2550623 is 3260552.

It is a happy number.

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 2550623 - 2² = 2550619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550683) 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, 18968 + ... + 19101.

It is an arithmetic number, because the mean of its divisors is an integer number (647190).

2^2550623 is an apocalyptic number.

2550623 is a deficient number, since it is larger than the sum of its proper divisors (38137).

2550623 is an equidigital number, since it uses as much as digits as its factorization.

2550623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38136.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2550623 is about 1597.0669992208. The cubic root of 2550623 is about 136.6308459231.

The spelling of 2550623 in words is "two million, five hundred fifty thousand, six hundred twenty-three".