40572361 has 2 divisors, whose sum is σ = 40572362. Its totient is φ = 40572360.

The previous prime is 40572331. The next prime is 40572373. The reversal of 40572361 is 16327504.

40572361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30869136 + 9703225 = 5556^2 + 3115^2 .

It is a cyclic number.

It is not a de Polignac number, because 40572361 - 2⁹ = 40571849 is a prime.

It is a super-2 number, since 2×40572361² = 3292232954228642, which contains 22 as substring.

It is equal to p_2466352 and since 40572361 and 2466352 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40572331) 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 as a sum of consecutive naturals, namely, 20286180 + 20286181.

It is an arithmetic number, because the mean of its divisors is an integer number (20286181).

Almost surely, 2^40572361 is an apocalyptic number.

It is an amenable number.

40572361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40572361 is an equidigital number, since it uses as much as digits as its factorization.

40572361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 40572361 is about 6369.6437106011. The cubic root of 40572361 is about 343.6186761835.

Adding to 40572361 its reverse (16327504), we get a palindrome (56899865).

The spelling of 40572361 in words is "forty million, five hundred seventy-two thousand, three hundred sixty-one".