91252253 has 8 divisors (see below), whose sum is σ = 92701440. Its totient is φ = 89807760.

The previous prime is 91252223. The next prime is 91252261. The reversal of 91252253 is 35225219.

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 91252253 - 2⁸ = 91251997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91252223) 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, 73151 + ... + 74387.

It is an arithmetic number, because the mean of its divisors is an integer number (11587680).

Almost surely, 2^91252253 is an apocalyptic number.

It is an amenable number.

91252253 is a deficient number, since it is larger than the sum of its proper divisors (1449187).

91252253 is a wasteful number, since it uses less digits than its factorization.

91252253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347.

The product of its digits is 5400, while the sum is 29.

The square root of 91252253 is about 9552.6045139532. The cubic root of 91252253 is about 450.2093725285.

The spelling of 91252253 in words is "ninety-one million, two hundred fifty-two thousand, two hundred fifty-three".