3015961 has 8 divisors (see below), whose sum is σ = 3281544. Its totient is φ = 2755200.

The previous prime is 3015937. The next prime is 3015997. The reversal of 3015961 is 1695103.

It can be written as a sum of positive squares in 4 ways, for example, as 632025 + 2383936 = 795^2 + 1544^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3015961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3015911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (410193).

Almost surely, 2^3015961 is an apocalyptic number.

It is an amenable number.

3015961 is a deficient number, since it is larger than the sum of its proper divisors (265583).

3015961 is a wasteful number, since it uses less digits than its factorization.

3015961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 3015961 is about 1736.6522392235. The cubic root of 3015961 is about 144.4802797129.

The spelling of 3015961 in words is "three million, fifteen thousand, nine hundred sixty-one".