2141997 has 16 divisors (see below), whose sum is σ = 3355968. Its totient is φ = 1198080.

The previous prime is 2141987. The next prime is 2142001. The reversal of 2141997 is 7991412.

2141997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2141997 - 2¹⁰ = 2140973 is a prime.

It is a super-2 number, since 2×2141997² = 9176302296018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (209748).

2^2141997 is an apocalyptic number.

It is an amenable number.

2141997 is a deficient number, since it is larger than the sum of its proper divisors (1213971).

2141997 is a wasteful number, since it uses less digits than its factorization.

2141997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020.

The product of its digits is 4536, while the sum is 33.

The square root of 2141997 is about 1463.5562852176. The cubic root of 2141997 is about 128.9059467064.

It can be divided in two parts, 214 and 1997, that added together give a triangular number (2211 = T₆₆).

The spelling of 2141997 in words is "two million, one hundred forty-one thousand, nine hundred ninety-seven".