204255622531 has 2 divisors, whose sum is σ = 204255622532. Its totient is φ = 204255622530.

The previous prime is 204255622517. The next prime is 204255622567. The reversal of 204255622531 is 135226552402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204255622531 - 2¹⁵ = 204255589763 is a prime.

It is a super-2 number, since 2×204255622531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204255622231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102127811265 + 102127811266.

It is an arithmetic number, because the mean of its divisors is an integer number (102127811266).

Almost surely, 2^204255622531 is an apocalyptic number.

204255622531 is a deficient number, since it is larger than the sum of its proper divisors (1).

204255622531 is an equidigital number, since it uses as much as digits as its factorization.

204255622531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 204255622531 in words is "two hundred four billion, two hundred fifty-five million, six hundred twenty-two thousand, five hundred thirty-one".