201504553247 has 2 divisors, whose sum is σ = 201504553248. Its totient is φ = 201504553246.

The previous prime is 201504553231. The next prime is 201504553279. The reversal of 201504553247 is 742355405102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201504553247 - 2⁴ = 201504553231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201504553247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201504553207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100752276623 + 100752276624.

It is an arithmetic number, because the mean of its divisors is an integer number (100752276624).

Almost surely, 2^201504553247 is an apocalyptic number.

201504553247 is a deficient number, since it is larger than the sum of its proper divisors (1).

201504553247 is an equidigital number, since it uses as much as digits as its factorization.

201504553247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 38.

Adding to 201504553247 its reverse (742355405102), we get a palindrome (943859958349).

The spelling of 201504553247 in words is "two hundred one billion, five hundred four million, five hundred fifty-three thousand, two hundred forty-seven".