900834901 has 2 divisors, whose sum is σ = 900834902. Its totient is φ = 900834900.

The previous prime is 900834887. The next prime is 900834923. The reversal of 900834901 is 109438009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 704106225 + 196728676 = 26535^2 + 14026^2 .

It is an emirp because it is prime and its reverse (109438009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 900834901 - 2¹⁹ = 900310613 is a prime.

It is a super-3 number, since 3×900834901³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900834931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450417450 + 450417451.

It is an arithmetic number, because the mean of its divisors is an integer number (450417451).

Almost surely, 2^900834901 is an apocalyptic number.

It is an amenable number.

900834901 is a deficient number, since it is larger than the sum of its proper divisors (1).

900834901 is an equidigital number, since it uses as much as digits as its factorization.

900834901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 900834901 is about 30013.9117910345. The cubic root of 900834901 is about 965.7878434651.

The spelling of 900834901 in words is "nine hundred million, eight hundred thirty-four thousand, nine hundred one".