253530565 has 8 divisors (see below), whose sum is σ = 304365600. Its totient is φ = 202738512.

The previous prime is 253530559. The next prime is 253530569. The reversal of 253530565 is 565035352.

253530565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 253530565 - 2¹⁷ = 253399493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253530565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253530569) 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, 4102 + ... + 22888.

It is an arithmetic number, because the mean of its divisors is an integer number (38045700).

Almost surely, 2^253530565 is an apocalyptic number.

It is an amenable number.

253530565 is a deficient number, since it is larger than the sum of its proper divisors (50835035).

253530565 is a wasteful number, since it uses less digits than its factorization.

253530565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21491.

The product of its (nonzero) digits is 67500, while the sum is 34.

The square root of 253530565 is about 15922.6431536978. The cubic root of 253530565 is about 632.9121624244.

The spelling of 253530565 in words is "two hundred fifty-three million, five hundred thirty thousand, five hundred sixty-five".