901613 has 2 divisors, whose sum is σ = 901614. Its totient is φ = 901612.

The previous prime is 901591. The next prime is 901643. The reversal of 901613 is 316109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850084 + 51529 = 922^2 + 227^2 .

It is an emirp because it is prime and its reverse (316109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 901613 - 2¹⁰ = 900589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450806 + 450807.

It is an arithmetic number, because the mean of its divisors is an integer number (450807).

2⁹⁰¹⁶¹³ is an apocalyptic number.

It is an amenable number.

901613 is a deficient number, since it is larger than the sum of its proper divisors (1).

901613 is an equidigital number, since it uses as much as digits as its factorization.

901613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 901613 is about 949.5330431323. The cubic root of 901613 is about 96.6065830880.

The spelling of 901613 in words is "nine hundred one thousand, six hundred thirteen".