91825103 has 2 divisors, whose sum is σ = 91825104. Its totient is φ = 91825102.

The previous prime is 91825099. The next prime is 91825121. The reversal of 91825103 is 30152819.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91825103 - 2² = 91825099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91825163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45912551 + 45912552.

It is an arithmetic number, because the mean of its divisors is an integer number (45912552).

Almost surely, 2^91825103 is an apocalyptic number.

91825103 is a deficient number, since it is larger than the sum of its proper divisors (1).

91825103 is an equidigital number, since it uses as much as digits as its factorization.

91825103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 91825103 is about 9582.5415730901. The cubic root of 91825103 is about 451.1494941178.

The spelling of 91825103 in words is "ninety-one million, eight hundred twenty-five thousand, one hundred three".