2512784 has 10 divisors (see below), whose sum is σ = 4868550. Its totient is φ = 1256384.

The previous prime is 2512771. The next prime is 2512789. The reversal of 2512784 is 4872152.

It can be written as a sum of positive squares in only one way, i.e., 2496400 + 16384 = 1580^2 + 128^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2512789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78509 + ... + 78540.

It is an arithmetic number, because the mean of its divisors is an integer number (486855).

2^2512784 is an apocalyptic number.

It is an amenable number.

2512784 is a deficient number, since it is larger than the sum of its proper divisors (2355766).

2512784 is a wasteful number, since it uses less digits than its factorization.

2512784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157057 (or 157051 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 2512784 is about 1585.1763308856. The cubic root of 2512784 is about 135.9518283835.

It can be divided in two parts, 25 and 12784, that multiplied together give a triangular number (319600 = T₇₉₉).

The spelling of 2512784 in words is "two million, five hundred twelve thousand, seven hundred eighty-four".