2530961 has 2 divisors, whose sum is σ = 2530962. Its totient is φ = 2530960.

The previous prime is 2530921. The next prime is 2530963. The reversal of 2530961 is 1690352.

2530961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2235025 + 295936 = 1495^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530961 - 2¹⁰ = 2529937 is a prime.

Together with 2530963, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2530961.

It is not a weakly prime, because it can be changed into another prime (2530963) 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 as a sum of consecutive naturals, namely, 1265480 + 1265481.

It is an arithmetic number, because the mean of its divisors is an integer number (1265481).

2^2530961 is an apocalyptic number.

It is an amenable number.

2530961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530961 is an equidigital number, since it uses as much as digits as its factorization.

2530961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2530961 is about 1590.8994311395. The cubic root of 2530961 is about 136.2788576196.

The spelling of 2530961 in words is "two million, five hundred thirty thousand, nine hundred sixty-one".