2878451 has 2 divisors, whose sum is σ = 2878452. Its totient is φ = 2878450.

The previous prime is 2878439. The next prime is 2878537. The reversal of 2878451 is 1548782.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2878451 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2878751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439225 + 1439226.

It is an arithmetic number, because the mean of its divisors is an integer number (1439226).

2^2878451 is an apocalyptic number.

2878451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878451 is an equidigital number, since it uses as much as digits as its factorization.

2878451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17920, while the sum is 35.

The square root of 2878451 is about 1696.5998349640. The cubic root of 2878451 is about 142.2502200694.

The spelling of 2878451 in words is "two million, eight hundred seventy-eight thousand, four hundred fifty-one".