201102553 has 2 divisors, whose sum is σ = 201102554. Its totient is φ = 201102552.

The previous prime is 201102527. The next prime is 201102557. The reversal of 201102553 is 355201102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182466064 + 18636489 = 13508^2 + 4317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201102553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201102553.

It is not a weakly prime, because it can be changed into another prime (201102557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100551276 + 100551277.

It is an arithmetic number, because the mean of its divisors is an integer number (100551277).

Almost surely, 2^201102553 is an apocalyptic number.

It is an amenable number.

201102553 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102553 is an equidigital number, since it uses as much as digits as its factorization.

201102553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 201102553 is about 14181.0631829916. The cubic root of 201102553 is about 585.8762071206.

Adding to 201102553 its reverse (355201102), we get a palindrome (556303655).

The spelling of 201102553 in words is "two hundred one million, one hundred two thousand, five hundred fifty-three".