2878533 has 12 divisors (see below), whose sum is σ = 4751968. Its totient is φ = 1644840.

The previous prime is 2878451. The next prime is 2878537. The reversal of 2878533 is 3358782.

It is not a de Polignac number, because 2878533 - 2⁹ = 2878021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22783 + ... + 22908.

2^2878533 is an apocalyptic number.

It is an amenable number.

2878533 is a deficient number, since it is larger than the sum of its proper divisors (1873435).

2878533 is a wasteful number, since it uses less digits than its factorization.

2878533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45704 (or 45701 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 2878533 is about 1696.6240007733. The cubic root of 2878533 is about 142.2515708431.

Subtracting 2878533 from its reverse (3358782), we obtain a square (480249 = 693²).

The spelling of 2878533 in words is "two million, eight hundred seventy-eight thousand, five hundred thirty-three".