253336605 has 32 divisors (see below), whose sum is σ = 437564160. Its totient is φ = 124776960.

The previous prime is 253336571. The next prime is 253336649. The reversal of 253336605 is 506633352.

It is not a de Polignac number, because 253336605 - 2¹⁶ = 253271069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2656 + ... + 22665.

It is an arithmetic number, because the mean of its divisors is an integer number (13673880).

Almost surely, 2^253336605 is an apocalyptic number.

It is an amenable number.

253336605 is a deficient number, since it is larger than the sum of its proper divisors (184227555).

253336605 is a wasteful number, since it uses less digits than its factorization.

253336605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25381.

The product of its (nonzero) digits is 48600, while the sum is 33.

The square root of 253336605 is about 15916.5512910304. The cubic root of 253336605 is about 632.7507210593.

Adding to 253336605 its reverse (506633352), we get a palindrome (759969957).

The spelling of 253336605 in words is "two hundred fifty-three million, three hundred thirty-six thousand, six hundred five".