2310961 has 4 divisors (see below), whose sum is σ = 2342692. Its totient is φ = 2279232.

The previous prime is 2310953. The next prime is 2310977. The reversal of 2310961 is 1690132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1221025 + 1089936 = 1105^2 + 1044^2 .

It is a cyclic number.

It is not a de Polignac number, because 2310961 - 2³ = 2310953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2310901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15756 + ... + 15901.

It is an arithmetic number, because the mean of its divisors is an integer number (585673).

2^2310961 is an apocalyptic number.

It is an amenable number.

2310961 is a deficient number, since it is larger than the sum of its proper divisors (31731).

2310961 is an equidigital number, since it uses as much as digits as its factorization.

2310961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31730.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2310961 is about 1520.1845282728. The cubic root of 2310961 is about 132.2099696242.

The spelling of 2310961 in words is "two million, three hundred ten thousand, nine hundred sixty-one".