225607613 has 24 divisors (see below), whose sum is σ = 289578240. Its totient is φ = 173785920.

The previous prime is 225607601. The next prime is 225607643. The reversal of 225607613 is 316706522.

It is not a de Polignac number, because 225607613 - 2⁴ = 225607597 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225607613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225607643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45620 + ... + 50322.

It is an arithmetic number, because the mean of its divisors is an integer number (12065760).

Almost surely, 2^225607613 is an apocalyptic number.

It is an amenable number.

225607613 is a deficient number, since it is larger than the sum of its proper divisors (63970627).

225607613 is a wasteful number, since it uses less digits than its factorization.

225607613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817 (or 4810 counting only the distinct ones).

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

The square root of 225607613 is about 15020.2401112632. The cubic root of 225607613 is about 608.7672074539.

The spelling of 225607613 in words is "two hundred twenty-five million, six hundred seven thousand, six hundred thirteen".