253240335 has 24 divisors (see below), whose sum is σ = 440278800. Its totient is φ = 134652672.

The previous prime is 253240297. The next prime is 253240343. The reversal of 253240335 is 533042352.

253240335 is a `hidden beast` number, since 2 + 5 + 324 + 0 + 335 = 666.

It is not a de Polignac number, because 253240335 - 2¹⁹ = 252716047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253240299 and 253240308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6816 + ... + 23514.

It is an arithmetic number, because the mean of its divisors is an integer number (18344950).

Almost surely, 2^253240335 is an apocalyptic number.

253240335 is a deficient number, since it is larger than the sum of its proper divisors (187038465).

253240335 is a wasteful number, since it uses less digits than its factorization.

253240335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17047 (or 17044 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 253240335 is about 15913.5267932662. The cubic root of 253240335 is about 632.6705607398.

Adding to 253240335 its reverse (533042352), we get a palindrome (786282687).

The spelling of 253240335 in words is "two hundred fifty-three million, two hundred forty thousand, three hundred thirty-five".