225585623 has 2 divisors, whose sum is σ = 225585624. Its totient is φ = 225585622.

The previous prime is 225585593. The next prime is 225585683. The reversal of 225585623 is 326585522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225585623 - 2¹² = 225581527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225585683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112792811 + 112792812.

It is an arithmetic number, because the mean of its divisors is an integer number (112792812).

Almost surely, 2^225585623 is an apocalyptic number.

225585623 is a deficient number, since it is larger than the sum of its proper divisors (1).

225585623 is an equidigital number, since it uses as much as digits as its factorization.

225585623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 38.

The square root of 225585623 is about 15019.5080811590. The cubic root of 225585623 is about 608.7474279414.

It can be divided in two parts, 2255 and 85623, that added together give a palindrome (87878).

The spelling of 225585623 in words is "two hundred twenty-five million, five hundred eighty-five thousand, six hundred twenty-three".