2141797 has 4 divisors (see below), whose sum is σ = 2447776. Its totient is φ = 1835820.

The previous prime is 2141791. The next prime is 2141801. The reversal of 2141797 is 7971412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2141797 - 2⁷ = 2141669 is a prime.

It is a Duffinian number.

2141797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152979 + ... + 152992.

It is an arithmetic number, because the mean of its divisors is an integer number (611944).

2^2141797 is an apocalyptic number.

It is an amenable number.

2141797 is a deficient number, since it is larger than the sum of its proper divisors (305979).

2141797 is an equidigital number, since it uses as much as digits as its factorization.

2141797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305978.

The product of its digits is 3528, while the sum is 31.

The square root of 2141797 is about 1463.4879569030. The cubic root of 2141797 is about 128.9019345638.

The spelling of 2141797 in words is "two million, one hundred forty-one thousand, seven hundred ninety-seven".