2351161 has 4 divisors (see below), whose sum is σ = 2354832. Its totient is φ = 2347492.

The previous prime is 2351159. The next prime is 2351171. The reversal of 2351161 is 1611532.

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 a cyclic number.

It is not a de Polignac number, because 2351161 - 2¹ = 2351159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2351101) 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, 595 + ... + 2248.

It is an arithmetic number, because the mean of its divisors is an integer number (588708).

2^2351161 is an apocalyptic number.

It is an amenable number.

2351161 is a deficient number, since it is larger than the sum of its proper divisors (3671).

2351161 is an equidigital number, since it uses as much as digits as its factorization.

2351161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670.

The product of its digits is 180, while the sum is 19.

The square root of 2351161 is about 1533.3496013630. The cubic root of 2351161 is about 132.9721802857.

Adding to 2351161 its reverse (1611532), we get a palindrome (3962693).

The spelling of 2351161 in words is "two million, three hundred fifty-one thousand, one hundred sixty-one".