253388033 has 4 divisors (see below), whose sum is σ = 264404928. Its totient is φ = 242371140.

The previous prime is 253388021. The next prime is 253388063. The reversal of 253388033 is 330883352.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253388033 - 2⁶ = 253387969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253387984 and 253388002.

It is not an unprimeable number, because it can be changed into a prime (253388063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5508413 + ... + 5508458.

It is an arithmetic number, because the mean of its divisors is an integer number (66101232).

Almost surely, 2^253388033 is an apocalyptic number.

253388033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

253388033 is a deficient number, since it is larger than the sum of its proper divisors (11016895).

253388033 is a wasteful number, since it uses less digits than its factorization.

253388033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11016894.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 253388033 is about 15918.1667600261. The cubic root of 253388033 is about 632.7935348516.

The spelling of 253388033 in words is "two hundred fifty-three million, three hundred eighty-eight thousand, thirty-three".