41311409 has 2 divisors, whose sum is σ = 41311410. Its totient is φ = 41311408.

The previous prime is 41311373. The next prime is 41311447. The reversal of 41311409 is 90411314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35046400 + 6265009 = 5920^2 + 2503^2 .

It is a cyclic number.

It is not a de Polignac number, because 41311409 - 2¹⁶ = 41245873 is a prime.

It is not a weakly prime, because it can be changed into another prime (41311489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20655704 + 20655705.

It is an arithmetic number, because the mean of its divisors is an integer number (20655705).

Almost surely, 2^41311409 is an apocalyptic number.

It is an amenable number.

41311409 is a deficient number, since it is larger than the sum of its proper divisors (1).

41311409 is an equidigital number, since it uses as much as digits as its factorization.

41311409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 41311409 is about 6427.3951955672. The cubic root of 41311409 is about 345.6925359535.

The spelling of 41311409 in words is "forty-one million, three hundred eleven thousand, four hundred nine".