2878251 has 8 divisors (see below), whose sum is σ = 3856704. Its totient is φ = 1909320.

The previous prime is 2878247. The next prime is 2878297. The reversal of 2878251 is 1528782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2878251 - 2² = 2878247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2878231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1641 + ... + 2906.

It is an arithmetic number, because the mean of its divisors is an integer number (482088).

2^2878251 is an apocalyptic number.

2878251 is a deficient number, since it is larger than the sum of its proper divisors (978453).

2878251 is a wasteful number, since it uses less digits than its factorization.

2878251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761.

The product of its digits is 8960, while the sum is 33.

The square root of 2878251 is about 1696.5408925222. The cubic root of 2878251 is about 142.2469253919.

The spelling of 2878251 in words is "two million, eight hundred seventy-eight thousand, two hundred fifty-one".