225131550251 has 2 divisors, whose sum is σ = 225131550252. Its totient is φ = 225131550250.

The previous prime is 225131550223. The next prime is 225131550253. The reversal of 225131550251 is 152055131522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225131550251 - 2²⁶ = 225064441387 is a prime.

Together with 225131550253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225131550253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112565775125 + 112565775126.

It is an arithmetic number, because the mean of its divisors is an integer number (112565775126).

Almost surely, 2^225131550251 is an apocalyptic number.

225131550251 is a deficient number, since it is larger than the sum of its proper divisors (1).

225131550251 is an equidigital number, since it uses as much as digits as its factorization.

225131550251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 225131550251 its reverse (152055131522), we get a palindrome (377186681773).

The spelling of 225131550251 in words is "two hundred twenty-five billion, one hundred thirty-one million, five hundred fifty thousand, two hundred fifty-one".