225613607 has 2 divisors, whose sum is σ = 225613608. Its totient is φ = 225613606.

The previous prime is 225613603. The next prime is 225613639. The reversal of 225613607 is 706316522.

It is an a-pointer prime, because the next prime (225613639) can be obtained adding 225613607 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225613607 - 2² = 225613603 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225613603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112806803 + 112806804.

It is an arithmetic number, because the mean of its divisors is an integer number (112806804).

Almost surely, 2^225613607 is an apocalyptic number.

225613607 is a deficient number, since it is larger than the sum of its proper divisors (1).

225613607 is an equidigital number, since it uses as much as digits as its factorization.

225613607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 225613607 is about 15020.4396407029. The cubic root of 225613607 is about 608.7725986998.

The spelling of 225613607 in words is "two hundred twenty-five million, six hundred thirteen thousand, six hundred seven".