253384617 has 8 divisors (see below), whose sum is σ = 337949824. Its totient is φ = 168871248.

The previous prime is 253384613. The next prime is 253384657. The reversal of 253384617 is 716483352.

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

It is not a de Polignac number, because 253384617 - 2² = 253384613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253384613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423 + ... + 22515.

It is an arithmetic number, because the mean of its divisors is an integer number (42243728).

Almost surely, 2^253384617 is an apocalyptic number.

It is an amenable number.

253384617 is a deficient number, since it is larger than the sum of its proper divisors (84565207).

253384617 is a wasteful number, since it uses less digits than its factorization.

253384617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25919.

The product of its digits is 120960, while the sum is 39.

The square root of 253384617 is about 15918.0594608765. The cubic root of 253384617 is about 632.7906912124.

The spelling of 253384617 in words is "two hundred fifty-three million, three hundred eighty-four thousand, six hundred seventeen".