901941013 has 2 divisors, whose sum is σ = 901941014. Its totient is φ = 901941012.

The previous prime is 901940987. The next prime is 901941031. The reversal of 901941013 is 310149109.

It is a happy number.

Together with next prime (901941031) 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., 784392049 + 117548964 = 28007^2 + 10842^2 .

It is a cyclic number.

It is not a de Polignac number, because 901941013 - 2⁵ = 901940981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901941043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450970506 + 450970507.

It is an arithmetic number, because the mean of its divisors is an integer number (450970507).

Almost surely, 2^901941013 is an apocalyptic number.

It is an amenable number.

901941013 is a deficient number, since it is larger than the sum of its proper divisors (1).

901941013 is an equidigital number, since it uses as much as digits as its factorization.

901941013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 901941013 is about 30032.3327931748. The cubic root of 901941013 is about 966.1829704694.

The spelling of 901941013 in words is "nine hundred one million, nine hundred forty-one thousand, thirteen".