2901961 has 4 divisors (see below), whose sum is σ = 2910672. Its totient is φ = 2893252.

The previous prime is 2901931. The next prime is 2901989. The reversal of 2901961 is 1691092.

2901961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2901961 - 2¹⁹ = 2377673 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2901901) 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 3 ways as a sum of consecutive naturals, for example, 3835 + ... + 4528.

It is an arithmetic number, because the mean of its divisors is an integer number (727668).

2^2901961 is an apocalyptic number.

It is an amenable number.

2901961 is a deficient number, since it is larger than the sum of its proper divisors (8711).

2901961 is an equidigital number, since it uses as much as digits as its factorization.

2901961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8710.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2901961 is about 1703.5143087160. The cubic root of 2901961 is about 142.6364508121.

The spelling of 2901961 in words is "two million, nine hundred one thousand, nine hundred sixty-one".