91625033 has 8 divisors (see below), whose sum is σ = 92738088. Its totient is φ = 90517504.

The previous prime is 91625029. The next prime is 91625041. The reversal of 91625033 is 33052619.

It can be written as a sum of positive squares in 4 ways, for example, as 1849 + 91623184 = 43^2 + 9572^2 .

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 91625033 - 2² = 91625029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91624987 and 91625005.

It is not an unprimeable number, because it can be changed into a prime (91625333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38741 + ... + 41037.

It is an arithmetic number, because the mean of its divisors is an integer number (11592261).

Almost surely, 2^91625033 is an apocalyptic number.

It is an amenable number.

91625033 is a deficient number, since it is larger than the sum of its proper divisors (1113055).

91625033 is a wasteful number, since it uses less digits than its factorization.

91625033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 91625033 is about 9572.0965832988. The cubic root of 91625033 is about 450.8215986216.

The spelling of 91625033 in words is "ninety-one million, six hundred twenty-five thousand, thirty-three".