41820413 has 2 divisors, whose sum is σ = 41820414. Its totient is φ = 41820412.

The previous prime is 41820409. The next prime is 41820431. The reversal of 41820413 is 31402814.

Together with next prime (41820431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21362884 + 20457529 = 4622^2 + 4523^2 .

It is a cyclic number.

It is not a de Polignac number, because 41820413 - 2² = 41820409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41820403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20910206 + 20910207.

It is an arithmetic number, because the mean of its divisors is an integer number (20910207).

Almost surely, 2^41820413 is an apocalyptic number.

It is an amenable number.

41820413 is a deficient number, since it is larger than the sum of its proper divisors (1).

41820413 is an equidigital number, since it uses as much as digits as its factorization.

41820413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 41820413 is about 6466.8704177523. The cubic root of 41820413 is about 347.1065207941.

The spelling of 41820413 in words is "forty-one million, eight hundred twenty thousand, four hundred thirteen".