253032331 has 4 divisors (see below), whose sum is σ = 257180464. Its totient is φ = 248884200.

The previous prime is 253032319. The next prime is 253032343. The reversal of 253032331 is 133230352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (253032319) and next prime (253032343).

It is a cyclic number.

It is not a de Polignac number, because 253032331 - 2⁹ = 253031819 is a prime.

It is a super-2 number, since 2×253032331² = 128050721062587122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253032391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073975 + ... + 2074096.

It is an arithmetic number, because the mean of its divisors is an integer number (64295116).

Almost surely, 2^253032331 is an apocalyptic number.

253032331 is a deficient number, since it is larger than the sum of its proper divisors (4148133).

253032331 is an equidigital number, since it uses as much as digits as its factorization.

253032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148132.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 253032331 is about 15906.9900043974. The cubic root of 253032331 is about 632.4972944314.

Adding to 253032331 its reverse (133230352), we get a palindrome (386262683).

The spelling of 253032331 in words is "two hundred fifty-three million, thirty-two thousand, three hundred thirty-one".