253785342 has 8 divisors (see below), whose sum is σ = 507570696. Its totient is φ = 84595112.

The previous prime is 253785317. The next prime is 253785403. The reversal of 253785342 is 243587352.

253785342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

253785342 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 253785342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21148773 + ... + 21148784.

It is an arithmetic number, because the mean of its divisors is an integer number (63446337).

Almost surely, 2^253785342 is an apocalyptic number.

253785342 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.

253785342 is a wasteful number, since it uses less digits than its factorization.

253785342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42297562.

The product of its digits is 201600, while the sum is 39.

The square root of 253785342 is about 15930.6416066648. The cubic root of 253785342 is about 633.1240993657.

The spelling of 253785342 in words is "two hundred fifty-three million, seven hundred eighty-five thousand, three hundred forty-two".