91283541 has 8 divisors (see below), whose sum is σ = 124301184. Its totient is φ = 59560800.

The previous prime is 91283537. The next prime is 91283593. The reversal of 91283541 is 14538219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91283541 - 2² = 91283537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91283501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323560 + ... + 323841.

It is an arithmetic number, because the mean of its divisors is an integer number (15537648).

Almost surely, 2^91283541 is an apocalyptic number.

It is an amenable number.

91283541 is a deficient number, since it is larger than the sum of its proper divisors (33017643).

91283541 is a wasteful number, since it uses less digits than its factorization.

91283541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647451.

The product of its digits is 8640, while the sum is 33.

The square root of 91283541 is about 9554.2420421507. The cubic root of 91283541 is about 450.2608216371.

The spelling of 91283541 in words is "ninety-one million, two hundred eighty-three thousand, five hundred forty-one".