91234603 has 2 divisors, whose sum is σ = 91234604. Its totient is φ = 91234602.

The previous prime is 91234547. The next prime is 91234607. The reversal of 91234603 is 30643219.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91234603 - 2¹³ = 91226411 is a prime.

It is not a weakly prime, because it can be changed into another prime (91234607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45617301 + 45617302.

It is an arithmetic number, because the mean of its divisors is an integer number (45617302).

Almost surely, 2^91234603 is an apocalyptic number.

91234603 is a deficient number, since it is larger than the sum of its proper divisors (1).

91234603 is an equidigital number, since it uses as much as digits as its factorization.

91234603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 91234603 is about 9551.6806374585. The cubic root of 91234603 is about 450.1803441756.

The spelling of 91234603 in words is "ninety-one million, two hundred thirty-four thousand, six hundred three".