2201501 has 2 divisors, whose sum is σ = 2201502. Its totient is φ = 2201500.

The previous prime is 2201489. The next prime is 2201519. The reversal of 2201501 is 1051022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2105401 + 96100 = 1451^2 + 310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201501 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 (2201531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100750 + 1100751.

It is an arithmetic number, because the mean of its divisors is an integer number (1100751).

2^2201501 is an apocalyptic number.

It is an amenable number.

2201501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201501 is an equidigital number, since it uses as much as digits as its factorization.

2201501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2201501 is about 1483.7455981401. The cubic root of 2201501 is about 130.0887165632.

Adding to 2201501 its reverse (1051022), we get a palindrome (3252523).

The spelling of 2201501 in words is "two million, two hundred one thousand, five hundred one".