253308355 has 8 divisors (see below), whose sum is σ = 304208064. Its totient is φ = 202488000.

The previous prime is 253308343. The next prime is 253308379. The reversal of 253308355 is 553803352.

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

It is not a de Polignac number, because 253308355 - 2¹⁵ = 253275587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253308355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12571 + ... + 25780.

It is an arithmetic number, because the mean of its divisors is an integer number (38026008).

Almost surely, 2^253308355 is an apocalyptic number.

253308355 is a deficient number, since it is larger than the sum of its proper divisors (50899709).

253308355 is a wasteful number, since it uses less digits than its factorization.

253308355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39677.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 253308355 is about 15915.6638253012. The cubic root of 253308355 is about 632.7272004784.

The spelling of 253308355 in words is "two hundred fifty-three million, three hundred eight thousand, three hundred fifty-five".