225065131 has 2 divisors, whose sum is σ = 225065132. Its totient is φ = 225065130.

The previous prime is 225065111. The next prime is 225065147. The reversal of 225065131 is 131560522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225065131 - 2¹⁵ = 225032363 is a prime.

It is a super-2 number, since 2×225065131² = 101308626384094322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225065096 and 225065105.

It is not a weakly prime, because it can be changed into another prime (225065111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112532565 + 112532566.

It is an arithmetic number, because the mean of its divisors is an integer number (112532566).

Almost surely, 2^225065131 is an apocalyptic number.

225065131 is a deficient number, since it is larger than the sum of its proper divisors (1).

225065131 is an equidigital number, since it uses as much as digits as its factorization.

225065131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 225065131 is about 15002.1708762432. The cubic root of 225065131 is about 608.2788812878.

The spelling of 225065131 in words is "two hundred twenty-five million, sixty-five thousand, one hundred thirty-one".