101001493 has 2 divisors, whose sum is σ = 101001494. Its totient is φ = 101001492.

The previous prime is 101001463. The next prime is 101001521. The reversal of 101001493 is 394100101.

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., 92198404 + 8803089 = 9602^2 + 2967^2 .

It is a cyclic number.

It is not a de Polignac number, because 101001493 - 2¹⁷ = 100870421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101001493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101001443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500746 + 50500747.

It is an arithmetic number, because the mean of its divisors is an integer number (50500747).

Almost surely, 2^101001493 is an apocalyptic number.

It is an amenable number.

101001493 is a deficient number, since it is larger than the sum of its proper divisors (1).

101001493 is an equidigital number, since it uses as much as digits as its factorization.

101001493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 101001493 is about 10049.9499003726. The cubic root of 101001493 is about 465.7032454606.

Adding to 101001493 its reverse (394100101), we get a palindrome (495101594).

The spelling of 101001493 in words is "one hundred one million, one thousand, four hundred ninety-three".