901300921 has 2 divisors, whose sum is σ = 901300922. Its totient is φ = 901300920.

The previous prime is 901300919. The next prime is 901300949. The reversal of 901300921 is 129003109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 892515625 + 8785296 = 29875^2 + 2964^2 .

It is a cyclic number.

It is not a de Polignac number, because 901300921 - 2¹ = 901300919 is a prime.

Together with 901300919, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (901300721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450650460 + 450650461.

It is an arithmetic number, because the mean of its divisors is an integer number (450650461).

Almost surely, 2^901300921 is an apocalyptic number.

It is an amenable number.

901300921 is a deficient number, since it is larger than the sum of its proper divisors (1).

901300921 is an equidigital number, since it uses as much as digits as its factorization.

901300921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 901300921 is about 30021.6741871602. The cubic root of 901300921 is about 965.9543552426.

The spelling of 901300921 in words is "nine hundred one million, three hundred thousand, nine hundred twenty-one".