225412631 has 2 divisors, whose sum is σ = 225412632. Its totient is φ = 225412630.

The previous prime is 225412609. The next prime is 225412697. The reversal of 225412631 is 136214522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225412631 - 2⁶ = 225412567 is a prime.

It is a super-3 number, since 3×225412631³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225412631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225412531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112706315 + 112706316.

It is an arithmetic number, because the mean of its divisors is an integer number (112706316).

Almost surely, 2^225412631 is an apocalyptic number.

225412631 is a deficient number, since it is larger than the sum of its proper divisors (1).

225412631 is an equidigital number, since it uses as much as digits as its factorization.

225412631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 225412631 is about 15013.7480663557. The cubic root of 225412631 is about 608.5917806621.

The spelling of 225412631 in words is "two hundred twenty-five million, four hundred twelve thousand, six hundred thirty-one".