40573133 has 4 divisors (see below), whose sum is σ = 40586688. Its totient is φ = 40559580.

The previous prime is 40573121. The next prime is 40573157. The reversal of 40573133 is 33137504.

40573133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40573133 - 2⁶ = 40573069 is a prime.

It is a super-3 number, since 3×40573133³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40573193) 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 3 ways as a sum of consecutive naturals, for example, 83 + ... + 9008.

It is an arithmetic number, because the mean of its divisors is an integer number (10146672).

Almost surely, 2^40573133 is an apocalyptic number.

It is an amenable number.

40573133 is a deficient number, since it is larger than the sum of its proper divisors (13555).

40573133 is an equidigital number, since it uses as much as digits as its factorization.

40573133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13554.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 40573133 is about 6369.7043102486. The cubic root of 40573133 is about 343.6208555976.

The spelling of 40573133 in words is "forty million, five hundred seventy-three thousand, one hundred thirty-three".