253585853 has 4 divisors (see below), whose sum is σ = 255582720. Its totient is φ = 251588988.

The previous prime is 253585823. The next prime is 253585873. The reversal of 253585853 is 358585352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253585853 - 2⁶ = 253585789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253585823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998243 + ... + 998496.

It is an arithmetic number, because the mean of its divisors is an integer number (63895680).

Almost surely, 2^253585853 is an apocalyptic number.

It is an amenable number.

253585853 is a deficient number, since it is larger than the sum of its proper divisors (1996867).

253585853 is a wasteful number, since it uses less digits than its factorization.

253585853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996866.

The product of its digits is 720000, while the sum is 44.

The square root of 253585853 is about 15924.3792029705. The cubic root of 253585853 is about 632.9581659564.

It can be divided in two parts, 2535 and 85853, that added together give a palindrome (88388).

The spelling of 253585853 in words is "two hundred fifty-three million, five hundred eighty-five thousand, eight hundred fifty-three".