40546573 has 2 divisors, whose sum is σ = 40546574. Its totient is φ = 40546572.

The previous prime is 40546523. The next prime is 40546577. The reversal of 40546573 is 37564504.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33028009 + 7518564 = 5747^2 + 2742^2 .

It is a cyclic number.

It is not a de Polignac number, because 40546573 - 2⁹ = 40546061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40546577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20273286 + 20273287.

It is an arithmetic number, because the mean of its divisors is an integer number (20273287).

Almost surely, 2^40546573 is an apocalyptic number.

It is an amenable number.

40546573 is a deficient number, since it is larger than the sum of its proper divisors (1).

40546573 is an equidigital number, since it uses as much as digits as its factorization.

40546573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 40546573 is about 6367.6190997892. The cubic root of 40546573 is about 343.5458588247.

The spelling of 40546573 in words is "forty million, five hundred forty-six thousand, five hundred seventy-three".