2881951 has 2 divisors, whose sum is σ = 2881952. Its totient is φ = 2881950.

The previous prime is 2881943. The next prime is 2882021. The reversal of 2881951 is 1591882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2881951 - 2³ = 2881943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2885951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440975 + 1440976.

It is an arithmetic number, because the mean of its divisors is an integer number (1440976).

2^2881951 is an apocalyptic number.

2881951 is a deficient number, since it is larger than the sum of its proper divisors (1).

2881951 is an equidigital number, since it uses as much as digits as its factorization.

2881951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 34.

The square root of 2881951 is about 1697.6309964182. The cubic root of 2881951 is about 142.3078522371.

The spelling of 2881951 in words is "two million, eight hundred eighty-one thousand, nine hundred fifty-one".