201012481 has 2 divisors, whose sum is σ = 201012482. Its totient is φ = 201012480.

The previous prime is 201012443. The next prime is 201012491. The reversal of 201012481 is 184210102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188650225 + 12362256 = 13735^2 + 3516^2 .

It is a cyclic number.

It is not a de Polignac number, because 201012481 - 2¹⁹ = 200488193 is a prime.

It is a super-2 number, since 2×201012481² = 80812035035550722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201012491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506240 + 100506241.

It is an arithmetic number, because the mean of its divisors is an integer number (100506241).

Almost surely, 2^201012481 is an apocalyptic number.

It is an amenable number.

201012481 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012481 is an equidigital number, since it uses as much as digits as its factorization.

201012481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 201012481 is about 14177.8870428566. The cubic root of 201012481 is about 585.7887245212.

Adding to 201012481 its reverse (184210102), we get a palindrome (385222583).

The spelling of 201012481 in words is "two hundred one million, twelve thousand, four hundred eighty-one".