2045202961 has 2 divisors, whose sum is σ = 2045202962. Its totient is φ = 2045202960.

The previous prime is 2045202953. The next prime is 2045202983. The reversal of 2045202961 is 1692025402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1978470400 + 66732561 = 44480^2 + 8169^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045202961 - 2³ = 2045202953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045202361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022601480 + 1022601481.

It is an arithmetic number, because the mean of its divisors is an integer number (1022601481).

Almost surely, 2^2045202961 is an apocalyptic number.

It is an amenable number.

2045202961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045202961 is an equidigital number, since it uses as much as digits as its factorization.

2045202961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2045202961 is about 45223.9202303383. The cubic root of 2045202961 is about 1269.3424502342.

The spelling of 2045202961 in words is "two billion, forty-five million, two hundred two thousand, nine hundred sixty-one".