91548241 has 2 divisors, whose sum is σ = 91548242. Its totient is φ = 91548240.

The previous prime is 91548229. The next prime is 91548269. The reversal of 91548241 is 14284519.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63680400 + 27867841 = 7980^2 + 5279^2 .

It is an emirp because it is prime and its reverse (14284519) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91548241 - 2²⁵ = 57993809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91548197 and 91548206.

It is not a weakly prime, because it can be changed into another prime (91548221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45774120 + 45774121.

It is an arithmetic number, because the mean of its divisors is an integer number (45774121).

Almost surely, 2^91548241 is an apocalyptic number.

It is an amenable number.

91548241 is a deficient number, since it is larger than the sum of its proper divisors (1).

91548241 is an equidigital number, since it uses as much as digits as its factorization.

91548241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 91548241 is about 9568.0845000449. The cubic root of 91548241 is about 450.6956171540.

The spelling of 91548241 in words is "ninety-one million, five hundred forty-eight thousand, two hundred forty-one".