901410221 has 2 divisors, whose sum is σ = 901410222. Its totient is φ = 901410220.

The previous prime is 901410197. The next prime is 901410229. The reversal of 901410221 is 122014109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900840196 + 570025 = 30014^2 + 755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-901410221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 901410193 and 901410202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901410229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450705110 + 450705111.

It is an arithmetic number, because the mean of its divisors is an integer number (450705111).

Almost surely, 2^901410221 is an apocalyptic number.

It is an amenable number.

901410221 is a deficient number, since it is larger than the sum of its proper divisors (1).

901410221 is an equidigital number, since it uses as much as digits as its factorization.

901410221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 901410221 is about 30023.4944834874. The cubic root of 901410221 is about 965.9934004867.

The spelling of 901410221 in words is "nine hundred one million, four hundred ten thousand, two hundred twenty-one".