97845133 has 4 divisors (see below), whose sum is σ = 98431200. Its totient is φ = 97259068.

The previous prime is 97845119. The next prime is 97845169. The reversal of 97845133 is 33154879.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33154879 = 17 ⋅1950287.

It is a cyclic number.

It is not a de Polignac number, because 97845133 - 2¹⁷ = 97714061 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 (97845113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292783 + ... + 293116.

It is an arithmetic number, because the mean of its divisors is an integer number (24607800).

Almost surely, 2^97845133 is an apocalyptic number.

It is an amenable number.

97845133 is a deficient number, since it is larger than the sum of its proper divisors (586067).

97845133 is a wasteful number, since it uses less digits than its factorization.

97845133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586066.

The product of its digits is 90720, while the sum is 40.

The square root of 97845133 is about 9891.6698792469. The cubic root of 97845133 is about 460.8006425134.

The spelling of 97845133 in words is "ninety-seven million, eight hundred forty-five thousand, one hundred thirty-three".