200554624261 has 2 divisors, whose sum is σ = 200554624262. Its totient is φ = 200554624260.

The previous prime is 200554624253. The next prime is 200554624313. The reversal of 200554624261 is 162426455002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165156083236 + 35398541025 = 406394^2 + 188145^2 .

It is a cyclic number.

It is not a de Polignac number, because 200554624261 - 2³ = 200554624253 is a prime.

It is a super-2 number, since 2×200554624261² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200554624261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200554694261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100277312130 + 100277312131.

It is an arithmetic number, because the mean of its divisors is an integer number (100277312131).

Almost surely, 2^200554624261 is an apocalyptic number.

It is an amenable number.

200554624261 is a deficient number, since it is larger than the sum of its proper divisors (1).

200554624261 is an equidigital number, since it uses as much as digits as its factorization.

200554624261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 200554624261 in words is "two hundred billion, five hundred fifty-four million, six hundred twenty-four thousand, two hundred sixty-one".