2549427 has 8 divisors (see below), whose sum is σ = 3478464. Its totient is φ = 1660008.

The previous prime is 2549423. The next prime is 2549429. The reversal of 2549427 is 7249452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2549427 - 2² = 2549423 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2549423) 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 7 ways as a sum of consecutive naturals, for example, 9753 + ... + 10010.

It is an arithmetic number, because the mean of its divisors is an integer number (434808).

2^2549427 is an apocalyptic number.

2549427 is a deficient number, since it is larger than the sum of its proper divisors (929037).

2549427 is a wasteful number, since it uses less digits than its factorization.

2549427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19809.

The product of its digits is 20160, while the sum is 33.

The square root of 2549427 is about 1596.6925189278. The cubic root of 2549427 is about 136.6094869532.

The spelling of 2549427 in words is "two million, five hundred forty-nine thousand, four hundred twenty-seven".