253105633 has 8 divisors (see below), whose sum is σ = 276500736. Its totient is φ = 229774800.

The previous prime is 253105613. The next prime is 253105661. The reversal of 253105633 is 336501352.

253105633 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 a de Polignac number, because none of the positive numbers 2^k-253105633 is a prime.

It is a super-2 number, since 2×253105633² = 128124922912661378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253105613) 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, 7633 + ... + 23758.

It is an arithmetic number, because the mean of its divisors is an integer number (34562592).

Almost surely, 2^253105633 is an apocalyptic number.

It is an amenable number.

253105633 is a deficient number, since it is larger than the sum of its proper divisors (23395103).

253105633 is a wasteful number, since it uses less digits than its factorization.

253105633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32135.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 253105633 is about 15909.2939189645. The cubic root of 253105633 is about 632.5583654681.

Adding to 253105633 its reverse (336501352), we get a palindrome (589606985).

The spelling of 253105633 in words is "two hundred fifty-three million, one hundred five thousand, six hundred thirty-three".