253242246 has 8 divisors (see below), whose sum is σ = 506484504. Its totient is φ = 84414080.

The previous prime is 253242233. The next prime is 253242247. The reversal of 253242246 is 642242352.

It is a sphenic number, since it is the product of 3 distinct primes.

253242246 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253242247) 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 3 ways as a sum of consecutive naturals, for example, 21103515 + ... + 21103526.

It is an arithmetic number, because the mean of its divisors is an integer number (63310563).

Almost surely, 2^253242246 is an apocalyptic number.

253242246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253242246 is a wasteful number, since it uses less digits than its factorization.

253242246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42207046.

The product of its digits is 23040, while the sum is 30.

The square root of 253242246 is about 15913.5868364112. The cubic root of 253242246 is about 632.6721521535.

Adding to 253242246 its reverse (642242352), we get a palindrome (895484598).

The spelling of 253242246 in words is "two hundred fifty-three million, two hundred forty-two thousand, two hundred forty-six".