2251535863 has 2 divisors, whose sum is σ = 2251535864. Its totient is φ = 2251535862.

The previous prime is 2251535833. The next prime is 2251535887. The reversal of 2251535863 is 3685351522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2251535863 - 2¹³ = 2251527671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251535833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125767931 + 1125767932.

It is an arithmetic number, because the mean of its divisors is an integer number (1125767932).

Almost surely, 2^2251535863 is an apocalyptic number.

2251535863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251535863 is an equidigital number, since it uses as much as digits as its factorization.

2251535863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 40.

The square root of 2251535863 is about 47450.3515582340. The cubic root of 2251535863 is about 1310.6687848256.

The spelling of 2251535863 in words is "two billion, two hundred fifty-one million, five hundred thirty-five thousand, eight hundred sixty-three".