2192651 has 2 divisors, whose sum is σ = 2192652. Its totient is φ = 2192650.

The previous prime is 2192633. The next prime is 2192653. The reversal of 2192651 is 1562912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2192651 - 2⁶ = 2192587 is a prime.

Together with 2192653, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₁₆₂₁₇₉ and since 2192651 and 162179 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2192651.

It is not a weakly prime, because it can be changed into another prime (2192653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096325 + 1096326.

It is an arithmetic number, because the mean of its divisors is an integer number (1096326).

2^2192651 is an apocalyptic number.

2192651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2192651 is an equidigital number, since it uses as much as digits as its factorization.

2192651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 26.

The square root of 2192651 is about 1480.7602776952. The cubic root of 2192651 is about 129.9141642446.

The spelling of 2192651 in words is "two million, one hundred ninety-two thousand, six hundred fifty-one".