2547284 has 6 divisors (see below), whose sum is σ = 4457754. Its totient is φ = 1273640.

The previous prime is 2547271. The next prime is 2547313. The reversal of 2547284 is 4827452.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 327184 = 1490^2 + 572^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2547284.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318407 + ... + 318414.

It is an arithmetic number, because the mean of its divisors is an integer number (742959).

2^2547284 is an apocalyptic number.

It is an amenable number.

2547284 is a deficient number, since it is larger than the sum of its proper divisors (1910470).

2547284 is a wasteful number, since it uses less digits than its factorization.

2547284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636825 (or 636823 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 2547284 is about 1596.0213031160. The cubic root of 2547284 is about 136.5711991083.

The spelling of 2547284 in words is "two million, five hundred forty-seven thousand, two hundred eighty-four".