2141197 has 2 divisors, whose sum is σ = 2141198. Its totient is φ = 2141196.

The previous prime is 2141189. The next prime is 2141203. The reversal of 2141197 is 7911412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1713481 + 427716 = 1309^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141197 - 2³ = 2141189 is a prime.

2141197 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070598 + 1070599.

It is an arithmetic number, because the mean of its divisors is an integer number (1070599).

2^2141197 is an apocalyptic number.

It is an amenable number.

2141197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141197 is an equidigital number, since it uses as much as digits as its factorization.

2141197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 25.

The square root of 2141197 is about 1463.2829528153. The cubic root of 2141197 is about 128.8898966374.

The spelling of 2141197 in words is "two million, one hundred forty-one thousand, one hundred ninety-seven".