253242342 has 32 divisors (see below), whose sum is σ = 566232960. Its totient is φ = 83893320.

The previous prime is 253242287. The next prime is 253242347. The reversal of 253242342 is 243242352.

It is a happy number.

253242342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253242347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5584 + ... + 23187.

It is an arithmetic number, because the mean of its divisors is an integer number (17694780).

Almost surely, 2^253242342 is an apocalyptic number.

253242342 is an abundant number, since it is smaller than the sum of its proper divisors (312990618).

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

253242342 is a wasteful number, since it uses less digits than its factorization.

253242342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28945 (or 28939 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 253242342 is about 15913.5898527014. The cubic root of 253242342 is about 632.6722320987.

Adding to 253242342 its reverse (243242352), we get a palindrome (496484694).

The spelling of 253242342 in words is "two hundred fifty-three million, two hundred forty-two thousand, three hundred forty-two".