40825331 has 2 divisors, whose sum is σ = 40825332. Its totient is φ = 40825330.

The previous prime is 40825303. The next prime is 40825349. The reversal of 40825331 is 13352804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40825331 - 2¹⁴ = 40808947 is a prime.

It is a super-2 number, since 2×40825331² = 3333415302519122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_2480840 and since 40825331 and 2480840 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40825331.

It is not a weakly prime, because it can be changed into another prime (40825231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20412665 + 20412666.

It is an arithmetic number, because the mean of its divisors is an integer number (20412666).

Almost surely, 2^40825331 is an apocalyptic number.

40825331 is a deficient number, since it is larger than the sum of its proper divisors (1).

40825331 is an equidigital number, since it uses as much as digits as its factorization.

40825331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40825331 is about 6389.4703223350. The cubic root of 40825331 is about 344.3313549386.

The spelling of 40825331 in words is "forty million, eight hundred twenty-five thousand, three hundred thirty-one".