253245533 has 8 divisors (see below), whose sum is σ = 262260768. Its totient is φ = 244372464.

The previous prime is 253245527. The next prime is 253245589. The reversal of 253245533 is 335542352.

253245533 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 253245533 - 2⁶ = 253245469 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 253245533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253241533) 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, 31910 + ... + 39047.

It is an arithmetic number, because the mean of its divisors is an integer number (32782596).

Almost surely, 2^253245533 is an apocalyptic number.

It is an amenable number.

253245533 is a deficient number, since it is larger than the sum of its proper divisors (9015235).

253245533 is an equidigital number, since it uses as much as digits as its factorization.

253245533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71083.

The product of its digits is 54000, while the sum is 32.

The square root of 253245533 is about 15913.6901126043. The cubic root of 253245533 is about 632.6748894329.

Adding to 253245533 its reverse (335542352), we get a palindrome (588787885).

The spelling of 253245533 in words is "two hundred fifty-three million, two hundred forty-five thousand, five hundred thirty-three".