253154321 has 8 divisors (see below), whose sum is σ = 289416960. Its totient is φ = 216916128.

The previous prime is 253154299. The next prime is 253154329. The reversal of 253154321 is 123451352.

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 253154321 - 2²² = 248960017 is a prime.

It is a super-2 number, since 2×253154321² = 128174220481942082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253154329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31685 + ... + 38861.

It is an arithmetic number, because the mean of its divisors is an integer number (36177120).

Almost surely, 2^253154321 is an apocalyptic number.

It is an amenable number.

253154321 is a deficient number, since it is larger than the sum of its proper divisors (36262639).

253154321 is an equidigital number, since it uses as much as digits as its factorization.

253154321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12223.

The product of its digits is 3600, while the sum is 26.

The square root of 253154321 is about 15910.8240201443. The cubic root of 253154321 is about 632.5989230102.

The spelling of 253154321 in words is "two hundred fifty-three million, one hundred fifty-four thousand, three hundred twenty-one".