253224641 has 8 divisors (see below), whose sum is σ = 264444480. Its totient is φ = 242022352.

The previous prime is 253224593. The next prime is 253224659. The reversal of 253224641 is 146422352.

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 253224641 - 2¹⁰ = 253223617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253224341) 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, 31415 + ... + 38643.

It is an arithmetic number, because the mean of its divisors is an integer number (33055560).

Almost surely, 2^253224641 is an apocalyptic number.

It is an amenable number.

253224641 is a deficient number, since it is larger than the sum of its proper divisors (11219839).

253224641 is a wasteful number, since it uses less digits than its factorization.

253224641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8775.

The product of its digits is 11520, while the sum is 29.

The square root of 253224641 is about 15913.0336831165. The cubic root of 253224641 is about 632.6574910250.

Adding to 253224641 its reverse (146422352), we get a palindrome (399646993).

The spelling of 253224641 in words is "two hundred fifty-three million, two hundred twenty-four thousand, six hundred forty-one".