225665753 has 8 divisors (see below), whose sum is σ = 230688000. Its totient is φ = 220652800.

The previous prime is 225665749. The next prime is 225665767. The reversal of 225665753 is 357566522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225665753 - 2² = 225665749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225665753.

It is not an unprimeable number, because it can be changed into a prime (225665773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73748 + ... + 76746.

It is an arithmetic number, because the mean of its divisors is an integer number (28836000).

Almost surely, 2^225665753 is an apocalyptic number.

It is an amenable number.

225665753 is a deficient number, since it is larger than the sum of its proper divisors (5022247).

225665753 is a wasteful number, since it uses less digits than its factorization.

225665753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4647.

The product of its digits is 378000, while the sum is 41.

The square root of 225665753 is about 15022.1753750913. The cubic root of 225665753 is about 608.8194968914.

The spelling of 225665753 in words is "two hundred twenty-five million, six hundred sixty-five thousand, seven hundred fifty-three".