91701513 has 6 divisors (see below), whose sum is σ = 132457754. Its totient is φ = 61134336.

The previous prime is 91701487. The next prime is 91701539. The reversal of 91701513 is 31510719.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91701487) and next prime (91701539).

It can be written as a sum of positive squares in only one way, i.e., 89927289 + 1774224 = 9483^2 + 1332^2 .

It is not a de Polignac number, because 91701513 - 2¹⁰ = 91700489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91701563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5094520 + ... + 5094537.

Almost surely, 2^91701513 is an apocalyptic number.

It is an amenable number.

91701513 is a deficient number, since it is larger than the sum of its proper divisors (40756241).

91701513 is a wasteful number, since it uses less digits than its factorization.

91701513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10189063 (or 10189060 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 91701513 is about 9576.0906950592. The cubic root of 91701513 is about 450.9469982929.

The spelling of 91701513 in words is "ninety-one million, seven hundred one thousand, five hundred thirteen".