2961591 has 8 divisors (see below), whose sum is σ = 4055664. Its totient is φ = 1920960.

The previous prime is 2961589. The next prime is 2961593. The reversal of 2961591 is 1951692.

It is an interprime number because it is at equal distance from previous prime (2961589) and next prime (2961593).

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

It is not a de Polignac number, because 2961591 - 2¹ = 2961589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2961593) 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, 13230 + ... + 13451.

It is an arithmetic number, because the mean of its divisors is an integer number (506958).

2^2961591 is an apocalyptic number.

2961591 is a deficient number, since it is larger than the sum of its proper divisors (1094073).

2961591 is a wasteful number, since it uses less digits than its factorization.

2961591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26721.

The product of its digits is 4860, while the sum is 33.

The square root of 2961591 is about 1720.9273662767. The cubic root of 2961591 is about 143.6068073785.

The spelling of 2961591 in words is "two million, nine hundred sixty-one thousand, five hundred ninety-one".