3161613 has 32 divisors (see below), whose sum is σ = 5345536. Its totient is φ = 1617408.

The previous prime is 3161611. The next prime is 3161617.

3161613 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3161613 - 2¹ = 3161611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3161613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9945 + ... + 10257.

It is an arithmetic number, because the mean of its divisors is an integer number (167048).

Almost surely, 2^3161613 is an apocalyptic number.

It is an amenable number.

3161613 is a deficient number, since it is larger than the sum of its proper divisors (2183923).

3161613 is a wasteful number, since it uses less digits than its factorization.

3161613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its digits is 324, while the sum is 21.

The square root of 3161613 is about 1778.0925172780. The cubic root of 3161613 is about 146.7696424443.

The spelling of 3161613 in words is "three million, one hundred sixty-one thousand, six hundred thirteen".