253455117 has 8 divisors (see below), whose sum is σ = 355726560. Its totient is φ = 160076880.

The previous prime is 253455107. The next prime is 253455151. The reversal of 253455117 is 711554352.

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

It is not a de Polignac number, because 253455117 - 2¹² = 253451021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253455107) 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, 2223234 + ... + 2223347.

It is an arithmetic number, because the mean of its divisors is an integer number (44465820).

Almost surely, 2^253455117 is an apocalyptic number.

It is an amenable number.

253455117 is a deficient number, since it is larger than the sum of its proper divisors (102271443).

253455117 is a wasteful number, since it uses less digits than its factorization.

253455117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446603.

The product of its digits is 21000, while the sum is 33.

The square root of 253455117 is about 15920.2737727716. The cubic root of 253455117 is about 632.8493735526.

The spelling of 253455117 in words is "two hundred fifty-three million, four hundred fifty-five thousand, one hundred seventeen".