2878453 has 4 divisors (see below), whose sum is σ = 2977740. Its totient is φ = 2779168.

The previous prime is 2878451. The next prime is 2878537. The reversal of 2878453 is 3548782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1034289 + 1844164 = 1017^2 + 1358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2878453 - 2¹ = 2878451 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49600 + ... + 49657.

It is an arithmetic number, because the mean of its divisors is an integer number (744435).

2^2878453 is an apocalyptic number.

It is an amenable number.

2878453 is a deficient number, since it is larger than the sum of its proper divisors (99287).

2878453 is an equidigital number, since it uses as much as digits as its factorization.

2878453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99286.

The product of its digits is 53760, while the sum is 37.

The square root of 2878453 is about 1696.6004243781. The cubic root of 2878453 is about 142.2502530154.

The spelling of 2878453 in words is "two million, eight hundred seventy-eight thousand, four hundred fifty-three".