2547044 has 6 divisors (see below), whose sum is σ = 4457334. Its totient is φ = 1273520.

The previous prime is 2547037. The next prime is 2547073. The reversal of 2547044 is 4407452.

It can be written as a sum of positive squares in only one way, i.e., 2137444 + 409600 = 1462^2 + 640^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318377 + ... + 318384.

It is an arithmetic number, because the mean of its divisors is an integer number (742889).

2^2547044 is an apocalyptic number.

It is an amenable number.

2547044 is a deficient number, since it is larger than the sum of its proper divisors (1910290).

2547044 is a wasteful number, since it uses less digits than its factorization.

2547044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636765 (or 636763 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 2547044 is about 1595.9461143786. The cubic root of 2547044 is about 136.5669098186.

The spelling of 2547044 in words is "two million, five hundred forty-seven thousand, forty-four".