200530354261 has 2 divisors, whose sum is σ = 200530354262. Its totient is φ = 200530354260.

The previous prime is 200530354259. The next prime is 200530354267. The reversal of 200530354261 is 162453035002.

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., 200530213636 + 140625 = 447806^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 200530354261 - 2¹ = 200530354259 is a prime.

It is a super-2 number, since 2×200530354261² (a number of 23 digits) contains 22 as substring.

Together with 200530354259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200530354267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100265177130 + 100265177131.

It is an arithmetic number, because the mean of its divisors is an integer number (100265177131).

Almost surely, 2^200530354261 is an apocalyptic number.

It is an amenable number.

200530354261 is a deficient number, since it is larger than the sum of its proper divisors (1).

200530354261 is an equidigital number, since it uses as much as digits as its factorization.

200530354261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 200530354261 its reverse (162453035002), we get a palindrome (362983389263).

The spelling of 200530354261 in words is "two hundred billion, five hundred thirty million, three hundred fifty-four thousand, two hundred sixty-one".