41274781 has 2 divisors, whose sum is σ = 41274782. Its totient is φ = 41274780.

The previous prime is 41274773. The next prime is 41274791. The reversal of 41274781 is 18747214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27092025 + 14182756 = 5205^2 + 3766^2 .

It is a cyclic number.

It is not a de Polignac number, because 41274781 - 2³ = 41274773 is a prime.

It is a super-2 number, since 2×41274781² = 3407215093195922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41274791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20637390 + 20637391.

It is an arithmetic number, because the mean of its divisors is an integer number (20637391).

Almost surely, 2^41274781 is an apocalyptic number.

It is an amenable number.

41274781 is a deficient number, since it is larger than the sum of its proper divisors (1).

41274781 is an equidigital number, since it uses as much as digits as its factorization.

41274781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 34.

The square root of 41274781 is about 6424.5451979109. The cubic root of 41274781 is about 345.5903384368.

The spelling of 41274781 in words is "forty-one million, two hundred seventy-four thousand, seven hundred eighty-one".