2194051 has 2 divisors, whose sum is σ = 2194052. Its totient is φ = 2194050.

The previous prime is 2194021. The next prime is 2194069. The reversal of 2194051 is 1504912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2194051 - 2⁵ = 2194019 is a prime.

2194051 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2194021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097025 + 1097026.

It is an arithmetic number, because the mean of its divisors is an integer number (1097026).

2^2194051 is an apocalyptic number.

2194051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194051 is an equidigital number, since it uses as much as digits as its factorization.

2194051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2194051 is about 1481.2329323911. The cubic root of 2194051 is about 129.9418082751.

Adding to 2194051 its reverse (1504912), we get a palindrome (3698963).

The spelling of 2194051 in words is "two million, one hundred ninety-four thousand, fifty-one".