40258573 has 2 divisors, whose sum is σ = 40258574. Its totient is φ = 40258572.

The previous prime is 40258571. The next prime is 40258577. The reversal of 40258573 is 37585204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26811684 + 13446889 = 5178^2 + 3667^2 .

It is a cyclic number.

It is not a de Polignac number, because 40258573 - 2¹ = 40258571 is a prime.

Together with 40258571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40258571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20129286 + 20129287.

It is an arithmetic number, because the mean of its divisors is an integer number (20129287).

Almost surely, 2^40258573 is an apocalyptic number.

It is an amenable number.

40258573 is a deficient number, since it is larger than the sum of its proper divisors (1).

40258573 is an equidigital number, since it uses as much as digits as its factorization.

40258573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 40258573 is about 6344.9643813027. The cubic root of 40258573 is about 342.7305297950.

The spelling of 40258573 in words is "forty million, two hundred fifty-eight thousand, five hundred seventy-three".