253133121 has 8 divisors (see below), whose sum is σ = 342134560. Its totient is φ = 166443552.

The previous prime is 253133087. The next prime is 253133129. The reversal of 253133121 is 121331352.

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

It is not a de Polignac number, because 253133121 - 2⁷ = 253132993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253133129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577711 + ... + 578148.

It is an arithmetic number, because the mean of its divisors is an integer number (42766820).

Almost surely, 2^253133121 is an apocalyptic number.

It is an amenable number.

253133121 is a deficient number, since it is larger than the sum of its proper divisors (89001439).

253133121 is a wasteful number, since it uses less digits than its factorization.

253133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155935.

The product of its digits is 540, while the sum is 21.

The square root of 253133121 is about 15910.1577930579. The cubic root of 253133121 is about 632.5812638587.

Adding to 253133121 its reverse (121331352), we get a palindrome (374464473).

It can be divided in two parts, 2531331 and 21, that added together give a palindrome (2531352).

The spelling of 253133121 in words is "two hundred fifty-three million, one hundred thirty-three thousand, one hundred twenty-one".