102291263 has 2 divisors, whose sum is σ = 102291264. Its totient is φ = 102291262.

The previous prime is 102291229. The next prime is 102291311. The reversal of 102291263 is 362192201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102291263 - 2¹² = 102287167 is a prime.

It is a super-2 number, since 2×102291263² = 20927004972270338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102290263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51145631 + 51145632.

It is an arithmetic number, because the mean of its divisors is an integer number (51145632).

Almost surely, 2^102291263 is an apocalyptic number.

102291263 is a deficient number, since it is larger than the sum of its proper divisors (1).

102291263 is an equidigital number, since it uses as much as digits as its factorization.

102291263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 102291263 is about 10113.9143263130. The cubic root of 102291263 is about 467.6771810698.

The spelling of 102291263 in words is "one hundred two million, two hundred ninety-one thousand, two hundred sixty-three".