41256013 has 2 divisors, whose sum is σ = 41256014. Its totient is φ = 41256012.

The previous prime is 41255983. The next prime is 41256029. The reversal of 41256013 is 31065214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36942084 + 4313929 = 6078^2 + 2077^2 .

It is a cyclic number.

It is not a de Polignac number, because 41256013 - 2¹³ = 41247821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41256053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20628006 + 20628007.

It is an arithmetic number, because the mean of its divisors is an integer number (20628007).

Almost surely, 2^41256013 is an apocalyptic number.

It is an amenable number.

41256013 is a deficient number, since it is larger than the sum of its proper divisors (1).

41256013 is an equidigital number, since it uses as much as digits as its factorization.

41256013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 41256013 is about 6423.0843836898. The cubic root of 41256013 is about 345.5379495232.

The spelling of 41256013 in words is "forty-one million, two hundred fifty-six thousand, thirteen".