91494261 has 6 divisors (see below), whose sum is σ = 132158390. Its totient is φ = 60996168.

The previous prime is 91494257. The next prime is 91494283. The reversal of 91494261 is 16249419.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63202500 + 28291761 = 7950^2 + 5319^2 .

It is not a de Polignac number, because 91494261 - 2² = 91494257 is a prime.

It is a super-2 number, since 2×91494261² = 16742399591872242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91494251) 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, 5083006 + ... + 5083023.

Almost surely, 2^91494261 is an apocalyptic number.

It is an amenable number.

91494261 is a deficient number, since it is larger than the sum of its proper divisors (40664129).

91494261 is a wasteful number, since it uses less digits than its factorization.

91494261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166035 (or 10166032 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 91494261 is about 9565.2632478150. The cubic root of 91494261 is about 450.6070178452.

The spelling of 91494261 in words is "ninety-one million, four hundred ninety-four thousand, two hundred sixty-one".