8490101 has 2 divisors, whose sum is σ = 8490102. Its totient is φ = 8490100.

The previous prime is 8490073. The next prime is 8490107. The reversal of 8490101 is 1010948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8439025 + 51076 = 2905^2 + 226^2 .

It is a cyclic number.

It is not a de Polignac number, because 8490101 - 2¹⁸ = 8227957 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (8490107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4245050 + 4245051.

It is an arithmetic number, because the mean of its divisors is an integer number (4245051).

Almost surely, 2^8490101 is an apocalyptic number.

It is an amenable number.

8490101 is a deficient number, since it is larger than the sum of its proper divisors (1).

8490101 is an equidigital number, since it uses as much as digits as its factorization.

8490101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 8490101 is about 2913.7777883703. Note that the first 4 decimals coincide. The cubic root of 8490101 is about 204.0035001963.

The spelling of 8490101 in words is "eight million, four hundred ninety thousand, one hundred one".