2563642201 has 2 divisors, whose sum is σ = 2563642202. Its totient is φ = 2563642200.

The previous prime is 2563642157. The next prime is 2563642271. The reversal of 2563642201 is 1022463652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1577996176 + 985646025 = 39724^2 + 31395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2563642201 is a prime.

It is a super-2 number, since 2×2563642201² = 13144522669496248802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2563642271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281821100 + 1281821101.

It is an arithmetic number, because the mean of its divisors is an integer number (1281821101).

Almost surely, 2^2563642201 is an apocalyptic number.

It is an amenable number.

2563642201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563642201 is an equidigital number, since it uses as much as digits as its factorization.

2563642201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2563642201 is about 50632.4224287166. The cubic root of 2563642201 is about 1368.6292078416.

The spelling of 2563642201 in words is "two billion, five hundred sixty-three million, six hundred forty-two thousand, two hundred one".