253121351 has 8 divisors (see below), whose sum is σ = 289579680. Its totient is φ = 216737568.

The previous prime is 253121339. The next prime is 253121353. The reversal of 253121351 is 153121352.

It is a happy number.

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 253121351 - 2¹⁴ = 253104967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253121353) 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, 11156 + ... + 25113.

It is an arithmetic number, because the mean of its divisors is an integer number (36197460).

Almost surely, 2^253121351 is an apocalyptic number.

253121351 is a deficient number, since it is larger than the sum of its proper divisors (36458329).

253121351 is an equidigital number, since it uses as much as digits as its factorization.

253121351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37273.

The product of its digits is 900, while the sum is 23.

The square root of 253121351 is about 15909.7878992776. The cubic root of 253121351 is about 632.5714592720.

Subtracting from 253121351 its reverse (153121352), we obtain a palindrome (99999999).

The spelling of 253121351 in words is "two hundred fifty-three million, one hundred twenty-one thousand, three hundred fifty-one".