91052265 has 8 divisors (see below), whose sum is σ = 145683648. Its totient is φ = 48561200.

The previous prime is 91052249. The next prime is 91052293. The reversal of 91052265 is 56225019.

It is a happy number.

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

It is not a de Polignac number, because 91052265 - 2⁴ = 91052249 is a prime.

It is a super-4 number, since 4×91052265⁴ (a number of 33 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3035061 + ... + 3035090.

It is an arithmetic number, because the mean of its divisors is an integer number (18210456).

Almost surely, 2^91052265 is an apocalyptic number.

It is an amenable number.

91052265 is a deficient number, since it is larger than the sum of its proper divisors (54631383).

91052265 is a wasteful number, since it uses less digits than its factorization.

91052265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070159.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 91052265 is about 9542.1310512904. The cubic root of 91052265 is about 449.8802397355.

The spelling of 91052265 in words is "ninety-one million, fifty-two thousand, two hundred sixty-five".