2549471 has 4 divisors (see below), whose sum is σ = 2631744. Its totient is φ = 2467200.

The previous prime is 2549461. The next prime is 2549479. The reversal of 2549471 is 1749452.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2549471 is a prime.

It is a super-3 number, since 3×2549471³ = 49713173019406842333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent 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, 41090 + ... + 41151.

It is an arithmetic number, because the mean of its divisors is an integer number (657936).

2^2549471 is an apocalyptic number.

2549471 is a deficient number, since it is larger than the sum of its proper divisors (82273).

2549471 is an equidigital number, since it uses as much as digits as its factorization.

2549471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82272.

The product of its digits is 10080, while the sum is 32.

The square root of 2549471 is about 1596.7062973509. The cubic root of 2549471 is about 136.6102728530.

The spelling of 2549471 in words is "two million, five hundred forty-nine thousand, four hundred seventy-one".