225160939 has 2 divisors, whose sum is σ = 225160940. Its totient is φ = 225160938.

The previous prime is 225160931. The next prime is 225160993. The reversal of 225160939 is 939061522.

Together with next prime (225160993) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225160939 - 2³ = 225160931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225160898 and 225160907.

It is not a weakly prime, because it can be changed into another prime (225160931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112580469 + 112580470.

It is an arithmetic number, because the mean of its divisors is an integer number (112580470).

Almost surely, 2^225160939 is an apocalyptic number.

225160939 is a deficient number, since it is larger than the sum of its proper divisors (1).

225160939 is an equidigital number, since it uses as much as digits as its factorization.

225160939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 225160939 is about 15005.3636743666. The cubic root of 225160939 is about 608.3651818108.

It can be divided in two parts, 2251 and 60939, that added together give a triangular number (63190 = T₃₅₅).

The spelling of 225160939 in words is "two hundred twenty-five million, one hundred sixty thousand, nine hundred thirty-nine".