253055017 has 8 divisors (see below), whose sum is σ = 254580480. Its totient is φ = 251534640.

The previous prime is 253054999. The next prime is 253055021. The reversal of 253055017 is 710550352.

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

It is not a de Polignac number, because 253055017 - 2¹⁵ = 253022249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253055027) 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, 142984 + ... + 144742.

It is an arithmetic number, because the mean of its divisors is an integer number (31822560).

Almost surely, 2^253055017 is an apocalyptic number.

It is an amenable number.

253055017 is a deficient number, since it is larger than the sum of its proper divisors (1525463).

253055017 is a wasteful number, since it uses less digits than its factorization.

253055017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 253055017 is about 15907.7030711539. The cubic root of 253055017 is about 632.5161963701.

The spelling of 253055017 in words is "two hundred fifty-three million, fifty-five thousand, seventeen".