911025013 has 2 divisors, whose sum is σ = 911025014. Its totient is φ = 911025012.

The previous prime is 911025007. The next prime is 911025061. The reversal of 911025013 is 310520119.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898620529 + 12404484 = 29977^2 + 3522^2 .

It is a cyclic number.

It is not a de Polignac number, because 911025013 - 2²¹ = 908927861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (911025413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455512506 + 455512507.

It is an arithmetic number, because the mean of its divisors is an integer number (455512507).

Almost surely, 2^911025013 is an apocalyptic number.

It is an amenable number.

911025013 is a deficient number, since it is larger than the sum of its proper divisors (1).

911025013 is an equidigital number, since it uses as much as digits as its factorization.

911025013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 911025013 is about 30183.1909015598. The cubic root of 911025013 is about 969.4158146797.

The spelling of 911025013 in words is "nine hundred eleven million, twenty-five thousand, thirteen".