2549023 has 4 divisors (see below), whose sum is σ = 2563288. Its totient is φ = 2534760.

The previous prime is 2549009. The next prime is 2549039. The reversal of 2549023 is 3209452.

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 2549023 - 2¹³ = 2540831 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 (2549003) 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, 6861 + ... + 7222.

It is an arithmetic number, because the mean of its divisors is an integer number (640822).

2^2549023 is an apocalyptic number.

2549023 is a deficient number, since it is larger than the sum of its proper divisors (14265).

2549023 is a wasteful number, since it uses less digits than its factorization.

2549023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14264.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2549023 is about 1596.5660023939. The cubic root of 2549023 is about 136.6022705410.

The spelling of 2549023 in words is "two million, five hundred forty-nine thousand, twenty-three".