41345531 has 2 divisors, whose sum is σ = 41345532. Its totient is φ = 41345530.

The previous prime is 41345527. The next prime is 41345567. The reversal of 41345531 is 13554314.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41345531 - 2² = 41345527 is a prime.

It is a super-2 number, since 2×41345531² = 3418905867343922, which contains 22 as substring.

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 41345531.

It is not a weakly prime, because it can be changed into another prime (41345431) 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, 20672765 + 20672766.

It is an arithmetic number, because the mean of its divisors is an integer number (20672766).

Almost surely, 2^41345531 is an apocalyptic number.

41345531 is a deficient number, since it is larger than the sum of its proper divisors (1).

41345531 is an equidigital number, since it uses as much as digits as its factorization.

41345531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 26.

The square root of 41345531 is about 6430.0490666868. The cubic root of 41345531 is about 345.7876870256.

Adding to 41345531 its reverse (13554314), we get a palindrome (54899845).

The spelling of 41345531 in words is "forty-one million, three hundred forty-five thousand, five hundred thirty-one".