2878537 has 2 divisors, whose sum is σ = 2878538. Its totient is φ = 2878536.

The previous prime is 2878451. The next prime is 2878543. The reversal of 2878537 is 7358782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1648656 + 1229881 = 1284^2 + 1109^2 .

It is a cyclic number.

It is not a de Polignac number, because 2878537 - 2⁷ = 2878409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2878537.

It is not a weakly prime, because it can be changed into another prime (2878597) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439268 + 1439269.

It is an arithmetic number, because the mean of its divisors is an integer number (1439269).

2^2878537 is an apocalyptic number.

It is an amenable number.

2878537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878537 is an equidigital number, since it uses as much as digits as its factorization.

2878537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 40.

The square root of 2878537 is about 1696.6251795845. The cubic root of 2878537 is about 142.2516367338.

The spelling of 2878537 in words is "two million, eight hundred seventy-eight thousand, five hundred thirty-seven".