285225304631 has 2 divisors, whose sum is σ = 285225304632. Its totient is φ = 285225304630.

The previous prime is 285225304619. The next prime is 285225304643. The reversal of 285225304631 is 136403522582.

It is a balanced prime because it is at equal distance from previous prime (285225304619) and next prime (285225304643).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285225304631 is a prime.

It is a super-2 number, since 2×285225304631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285225304691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142612652315 + 142612652316.

It is an arithmetic number, because the mean of its divisors is an integer number (142612652316).

Almost surely, 2^285225304631 is an apocalyptic number.

285225304631 is a deficient number, since it is larger than the sum of its proper divisors (1).

285225304631 is an equidigital number, since it uses as much as digits as its factorization.

285225304631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 285225304631 in words is "two hundred eighty-five billion, two hundred twenty-five million, three hundred four thousand, six hundred thirty-one".