2549473 has 4 divisors (see below), whose sum is σ = 2699460. Its totient is φ = 2399488.

The previous prime is 2549461. The next prime is 2549479. The reversal of 2549473 is 3749452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 788544 + 1760929 = 888^2 + 1327^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549473 - 2⁹ = 2548961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2549479) 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, 74968 + ... + 75001.

It is an arithmetic number, because the mean of its divisors is an integer number (674865).

2^2549473 is an apocalyptic number.

It is an amenable number.

2549473 is a deficient number, since it is larger than the sum of its proper divisors (149987).

2549473 is a wasteful number, since it uses less digits than its factorization.

2549473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149986.

The product of its digits is 30240, while the sum is 34.

The square root of 2549473 is about 1596.7069236400. The cubic root of 2549473 is about 136.6103085755.

The spelling of 2549473 in words is "two million, five hundred forty-nine thousand, four hundred seventy-three".