225252165613 has 16 divisors (see below), whose sum is σ = 239518978560. Its totient is φ = 211099219200.

The previous prime is 225252165581. The next prime is 225252165629. The reversal of 225252165613 is 316561252522.

It is a cyclic number.

It is not a de Polignac number, because 225252165613 - 2⁵ = 225252165581 is a prime.

It is a super-2 number, since 2×225252165613² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225252105613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8643543 + ... + 8669563.

It is an arithmetic number, because the mean of its divisors is an integer number (14969936160).

Almost surely, 2^225252165613 is an apocalyptic number.

It is an amenable number.

225252165613 is a deficient number, since it is larger than the sum of its proper divisors (14266812947).

225252165613 is a wasteful number, since it uses less digits than its factorization.

225252165613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28188.

The product of its digits is 216000, while the sum is 40.

The spelling of 225252165613 in words is "two hundred twenty-five billion, two hundred fifty-two million, one hundred sixty-five thousand, six hundred thirteen".