2371161 has 16 divisors (see below), whose sum is σ = 3434816. Its totient is φ = 1446336.

The previous prime is 2371157. The next prime is 2371183. The reversal of 2371161 is 1611732.

It is not a de Polignac number, because 2371161 - 2² = 2371157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2371111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6171 + ... + 6543.

It is an arithmetic number, because the mean of its divisors is an integer number (214676).

2^2371161 is an apocalyptic number.

It is an amenable number.

2371161 is a deficient number, since it is larger than the sum of its proper divisors (1063655).

2371161 is a wasteful number, since it uses less digits than its factorization.

2371161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552.

The product of its digits is 252, while the sum is 21.

The square root of 2371161 is about 1539.8574609359. The cubic root of 2371161 is about 133.3481559910.

Adding to 2371161 its reverse (1611732), we get a palindrome (3982893).

The spelling of 2371161 in words is "two million, three hundred seventy-one thousand, one hundred sixty-one".