2635161 has 4 divisors (see below), whose sum is σ = 3513552. Its totient is φ = 1756772.

The previous prime is 2635141. The next prime is 2635163. The reversal of 2635161 is 1615362.

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 2635161 - 2⁶ = 2635097 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2635163) 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, 439191 + ... + 439196.

It is an arithmetic number, because the mean of its divisors is an integer number (878388).

2^2635161 is an apocalyptic number.

It is an amenable number.

2635161 is a deficient number, since it is larger than the sum of its proper divisors (878391).

2635161 is an equidigital number, since it uses as much as digits as its factorization.

2635161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878390.

The product of its digits is 1080, while the sum is 24.

The square root of 2635161 is about 1623.3178986261. The cubic root of 2635161 is about 138.1239696763.

The spelling of 2635161 in words is "two million, six hundred thirty-five thousand, one hundred sixty-one".