40575331 has 2 divisors, whose sum is σ = 40575332. Its totient is φ = 40575330.

The previous prime is 40575329. The next prime is 40575343. The reversal of 40575331 is 13357504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40575331 - 2¹ = 40575329 is a prime.

It is a super-2 number, since 2×40575331² = 3292714971519122, which contains 22 as substring.

Together with 40575329, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40575331.

It is not a weakly prime, because it can be changed into another prime (40572331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20287665 + 20287666.

It is an arithmetic number, because the mean of its divisors is an integer number (20287666).

Almost surely, 2^40575331 is an apocalyptic number.

40575331 is a deficient number, since it is larger than the sum of its proper divisors (1).

40575331 is an equidigital number, since it uses as much as digits as its factorization.

40575331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 40575331 is about 6369.8768433934. The cubic root of 40575331 is about 343.6270605659.

The spelling of 40575331 in words is "forty million, five hundred seventy-five thousand, three hundred thirty-one".