901983101 has 2 divisors, whose sum is σ = 901983102. Its totient is φ = 901983100.

The previous prime is 901983031. The next prime is 901983107. The reversal of 901983101 is 101389109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 689115001 + 212868100 = 26251^2 + 14590^2 .

It is an emirp because it is prime and its reverse (101389109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 901983101 - 2¹⁰ = 901982077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901983107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450991550 + 450991551.

It is an arithmetic number, because the mean of its divisors is an integer number (450991551).

Almost surely, 2^901983101 is an apocalyptic number.

It is an amenable number.

901983101 is a deficient number, since it is larger than the sum of its proper divisors (1).

901983101 is an equidigital number, since it uses as much as digits as its factorization.

901983101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 901983101 is about 30033.0334964685. The cubic root of 901983101 is about 966.1979988271.

The spelling of 901983101 in words is "nine hundred one million, nine hundred eighty-three thousand, one hundred one".