2275961 has 2 divisors, whose sum is σ = 2275962. Its totient is φ = 2275960.

The previous prime is 2275937. The next prime is 2275993. The reversal of 2275961 is 1695722.

It is an a-pointer prime, because the next prime (2275993) can be obtained adding 2275961 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2119936 + 156025 = 1456^2 + 395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2275961 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2275561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137980 + 1137981.

It is an arithmetic number, because the mean of its divisors is an integer number (1137981).

2^2275961 is an apocalyptic number.

It is an amenable number.

2275961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2275961 is an equidigital number, since it uses as much as digits as its factorization.

2275961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 2275961 is about 1508.6288476627. The cubic root of 2275961 is about 131.5391219794.

The spelling of 2275961 in words is "two million, two hundred seventy-five thousand, nine hundred sixty-one".