100040653 has 2 divisors, whose sum is σ = 100040654. Its totient is φ = 100040652.

The previous prime is 100040641. The next prime is 100040669. The reversal of 100040653 is 356040001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77211369 + 22829284 = 8787^2 + 4778^2 .

It is a cyclic number.

It is not a de Polignac number, because 100040653 - 2²¹ = 97943501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100040653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100040953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50020326 + 50020327.

It is an arithmetic number, because the mean of its divisors is an integer number (50020327).

Almost surely, 2^100040653 is an apocalyptic number.

It is an amenable number.

100040653 is a deficient number, since it is larger than the sum of its proper divisors (1).

100040653 is an equidigital number, since it uses as much as digits as its factorization.

100040653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 100040653 is about 10002.0324434587. The cubic root of 100040653 is about 464.2217730102.

Adding to 100040653 its reverse (356040001), we get a palindrome (456080654).

The spelling of 100040653 in words is "one hundred million, forty thousand, six hundred fifty-three".