204250000531 has 2 divisors, whose sum is σ = 204250000532. Its totient is φ = 204250000530.

The previous prime is 204250000529. The next prime is 204250000547. The reversal of 204250000531 is 135000052402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204250000531 - 2¹ = 204250000529 is a prime.

It is a super-2 number, since 2×204250000531² (a number of 23 digits) contains 22 as substring.

Together with 204250000529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (204250000231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102125000265 + 102125000266.

It is an arithmetic number, because the mean of its divisors is an integer number (102125000266).

Almost surely, 2^204250000531 is an apocalyptic number.

204250000531 is a deficient number, since it is larger than the sum of its proper divisors (1).

204250000531 is an equidigital number, since it uses as much as digits as its factorization.

204250000531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 204250000531 its reverse (135000052402), we get a palindrome (339250052933).

The spelling of 204250000531 in words is "two hundred four billion, two hundred fifty million, five hundred thirty-one", and thus it is an aban number.