2549474 has 4 divisors (see below), whose sum is σ = 3824214. Its totient is φ = 1274736.

The previous prime is 2549461. The next prime is 2549479. The reversal of 2549474 is 4749452.

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

It can be written as a sum of positive squares in only one way, i.e., 2512225 + 37249 = 1585^2 + 193^2 .

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 15.

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 as a sum of consecutive naturals, namely, 637367 + ... + 637370.

2^2549474 is an apocalyptic number.

2549474 is a deficient number, since it is larger than the sum of its proper divisors (1274740).

2549474 is a wasteful number, since it uses less digits than its factorization.

2549474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274739.

The product of its digits is 40320, while the sum is 35.

The square root of 2549474 is about 1596.7072367845. The cubic root of 2549474 is about 136.6103264368.

The spelling of 2549474 in words is "two million, five hundred forty-nine thousand, four hundred seventy-four".