3115161 has 24 divisors (see below), whose sum is σ = 5189184. Its totient is φ = 1764000.

The previous prime is 3115157. The next prime is 3115169. The reversal of 3115161 is 1615113.

3115161 = T₇₀ + T₇₁ + ... + T₂₆₆.

3115161 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 3115161 - 2² = 3115157 is a prime.

It is an Ulam number.

3115161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3115169) 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 23 ways as a sum of consecutive naturals, for example, 12286 + ... + 12536.

It is an arithmetic number, because the mean of its divisors is an integer number (216216).

Almost surely, 2^3115161 is an apocalyptic number.

It is an amenable number.

3115161 is a deficient number, since it is larger than the sum of its proper divisors (2074023).

3115161 is a wasteful number, since it uses less digits than its factorization.

3115161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 458 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 3115161 is about 1764.9818695953. The cubic root of 3115161 is about 146.0472887413.

The spelling of 3115161 in words is "three million, one hundred fifteen thousand, one hundred sixty-one".