91242803 has 2 divisors, whose sum is σ = 91242804. Its totient is φ = 91242802.

The previous prime is 91242793. The next prime is 91242821. The reversal of 91242803 is 30824219.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91242803 - 2¹⁴ = 91226419 is a prime.

It is not a weakly prime, because it can be changed into another prime (91232803) 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, 45621401 + 45621402.

It is an arithmetic number, because the mean of its divisors is an integer number (45621402).

Almost surely, 2^91242803 is an apocalyptic number.

91242803 is a deficient number, since it is larger than the sum of its proper divisors (1).

91242803 is an equidigital number, since it uses as much as digits as its factorization.

91242803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 91242803 is about 9552.1098716462. The cubic root of 91242803 is about 450.1938309015.

The spelling of 91242803 in words is "ninety-one million, two hundred forty-two thousand, eight hundred three".