2550493 has 16 divisors (see below), whose sum is σ = 3079296. Its totient is φ = 2083840.

The previous prime is 2550479. The next prime is 2550497. The reversal of 2550493 is 3940552.

It is not a de Polignac number, because 2550493 - 2¹⁷ = 2419421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4005 + ... + 4597.

It is an arithmetic number, because the mean of its divisors is an integer number (192456).

2^2550493 is an apocalyptic number.

2550493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2550493 is a deficient number, since it is larger than the sum of its proper divisors (528803).

2550493 is a wasteful number, since it uses less digits than its factorization.

2550493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2550493 is about 1597.0262990947. The cubic root of 2550493 is about 136.6285246194.

The spelling of 2550493 in words is "two million, five hundred fifty thousand, four hundred ninety-three".