91371001 has 8 divisors (see below), whose sum is σ = 95778144. Its totient is φ = 87067680.

The previous prime is 91370989. The next prime is 91371023. The reversal of 91371001 is 10017319.

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

It is a cyclic number.

It is not a de Polignac number, because 91371001 - 2⁵ = 91370969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91371031) 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, 24151 + ... + 27676.

It is an arithmetic number, because the mean of its divisors is an integer number (11972268).

Almost surely, 2^91371001 is an apocalyptic number.

It is an amenable number.

91371001 is a deficient number, since it is larger than the sum of its proper divisors (4407143).

91371001 is a wasteful number, since it uses less digits than its factorization.

91371001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51911.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 91371001 is about 9558.8179708581. The cubic root of 91371001 is about 450.4045760714.

The spelling of 91371001 in words is "ninety-one million, three hundred seventy-one thousand, one".