253522641 has 8 divisors (see below), whose sum is σ = 341828640. Its totient is φ = 167115872.

The previous prime is 253522627. The next prime is 253522651. The reversal of 253522641 is 146225352.

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 253522641 - 2⁵ = 253522609 is a prime.

It is a super-2 number, since 2×253522641² = 128547458999229762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253522599 and 253522608.

It is not an unprimeable number, because it can be changed into a prime (253522651) 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, 474495 + ... + 475028.

It is an arithmetic number, because the mean of its divisors is an integer number (42728580).

Almost surely, 2^253522641 is an apocalyptic number.

It is an amenable number.

253522641 is a deficient number, since it is larger than the sum of its proper divisors (88305999).

253522641 is an equidigital number, since it uses as much as digits as its factorization.

253522641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949615.

The product of its digits is 14400, while the sum is 30.

The square root of 253522641 is about 15922.3943237190. The cubic root of 253522641 is about 632.9055685473.

Adding to 253522641 its reverse (146225352), we get a palindrome (399747993).

The spelling of 253522641 in words is "two hundred fifty-three million, five hundred twenty-two thousand, six hundred forty-one".