2150879 has 2 divisors, whose sum is σ = 2150880. Its totient is φ = 2150878.

The previous prime is 2150867. The next prime is 2150881. The reversal of 2150879 is 9780512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2150879 is a prime.

Together with 2150881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2150809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075439 + 1075440.

It is an arithmetic number, because the mean of its divisors is an integer number (1075440).

2^2150879 is an apocalyptic number.

2150879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150879 is an equidigital number, since it uses as much as digits as its factorization.

2150879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2150879 is about 1466.5875357441. The cubic root of 2150879 is about 129.0838747046.

The spelling of 2150879 in words is "two million, one hundred fifty thousand, eight hundred seventy-nine".