41902813 has 2 divisors, whose sum is σ = 41902814. Its totient is φ = 41902812.

The previous prime is 41902789. The next prime is 41902831. The reversal of 41902813 is 31820914.

It is a happy number.

Together with next prime (41902831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40729924 + 1172889 = 6382^2 + 1083^2 .

It is a cyclic number.

It is not a de Polignac number, because 41902813 - 2¹³ = 41894621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41902843) 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, 20951406 + 20951407.

It is an arithmetic number, because the mean of its divisors is an integer number (20951407).

Almost surely, 2^41902813 is an apocalyptic number.

It is an amenable number.

41902813 is a deficient number, since it is larger than the sum of its proper divisors (1).

41902813 is an equidigital number, since it uses as much as digits as its factorization.

41902813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 41902813 is about 6473.2382159164. The cubic root of 41902813 is about 347.3343426555.

The spelling of 41902813 in words is "forty-one million, nine hundred two thousand, eight hundred thirteen".