2158027 has 2 divisors, whose sum is σ = 2158028. Its totient is φ = 2158026.

The previous prime is 2158019. The next prime is 2158033. The reversal of 2158027 is 7208512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2158027 - 2³ = 2158019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2157992 and 2158010.

It is not a weakly prime, because it can be changed into another prime (2158087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079013 + 1079014.

It is an arithmetic number, because the mean of its divisors is an integer number (1079014).

2^2158027 is an apocalyptic number.

2158027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158027 is an equidigital number, since it uses as much as digits as its factorization.

2158027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2158027 is about 1469.0224640896. The cubic root of 2158027 is about 129.2267110822.

It can be divided in two parts, 21580 and 27, that multiplied together give a triangular number (582660 = T₁₀₇₉).

The spelling of 2158027 in words is "two million, one hundred fifty-eight thousand, twenty-seven".