2551474 has 4 divisors (see below), whose sum is σ = 3827214. Its totient is φ = 1275736.

The previous prime is 2551469. The next prime is 2551481. The reversal of 2551474 is 4741552.

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., 2082249 + 469225 = 1443^2 + 685^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 637867 + ... + 637870.

2^2551474 is an apocalyptic number.

2551474 is a deficient number, since it is larger than the sum of its proper divisors (1275740).

2551474 is a wasteful number, since it uses less digits than its factorization.

2551474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275739.

The product of its digits is 5600, while the sum is 28.

The square root of 2551474 is about 1597.3334028937. Note that the first 3 decimals coincide. The cubic root of 2551474 is about 136.6460395864.

It can be divided in two parts, 2551 and 474, that added together give a square (3025 = 55²).

The spelling of 2551474 in words is "two million, five hundred fifty-one thousand, four hundred seventy-four".