91052903 has 2 divisors, whose sum is σ = 91052904. Its totient is φ = 91052902.

The previous prime is 91052881. The next prime is 91052911. The reversal of 91052903 is 30925019.

It is a strong prime.

It is an emirp because it is prime and its reverse (30925019) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91052903 - 2⁶ = 91052839 is a prime.

It is a super-2 number, since 2×91052903² = 16581262289454818, which contains 22 as substring.

It is equal to p_5274551 and since 91052903 and 5274551 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91052303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45526451 + 45526452.

It is an arithmetic number, because the mean of its divisors is an integer number (45526452).

Almost surely, 2^91052903 is an apocalyptic number.

91052903 is a deficient number, since it is larger than the sum of its proper divisors (1).

91052903 is an equidigital number, since it uses as much as digits as its factorization.

91052903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 91052903 is about 9542.1644819192. The cubic root of 91052903 is about 449.8812904980.

The spelling of 91052903 in words is "ninety-one million, fifty-two thousand, nine hundred three".