91252125 has 48 divisors (see below), whose sum is σ = 170230320. Its totient is φ = 46972800.

The previous prime is 91252123. The next prime is 91252151. The reversal of 91252125 is 52125219.

It can be written as a sum of positive squares in 8 ways, for example, as 18610596 + 72641529 = 4314^2 + 8523^2 .

It is not a de Polignac number, because 91252125 - 2¹ = 91252123 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91252123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31227 + ... + 34023.

It is an arithmetic number, because the mean of its divisors is an integer number (3546465).

Almost surely, 2^91252125 is an apocalyptic number.

It is an amenable number.

91252125 is a deficient number, since it is larger than the sum of its proper divisors (78978195).

91252125 is a wasteful number, since it uses less digits than its factorization.

91252125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847 (or 2834 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 91252125 is about 9552.5978142074. The cubic root of 91252125 is about 450.2091620247.

The spelling of 91252125 in words is "ninety-one million, two hundred fifty-two thousand, one hundred twenty-five".