253197017 has 8 divisors (see below), whose sum is σ = 260307432. Its totient is φ = 246131200.

The previous prime is 253197011. The next prime is 253197019. The reversal of 253197017 is 710791352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8462281 + 244734736 = 2909^2 + 15644^2 .

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

It is not a de Polignac number, because 253197017 - 2⁸ = 253196761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253197011) 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, 533 + ... + 22509.

It is an arithmetic number, because the mean of its divisors is an integer number (32538429).

Almost surely, 2^253197017 is an apocalyptic number.

It is an amenable number.

253197017 is a deficient number, since it is larger than the sum of its proper divisors (7110415).

253197017 is a wasteful number, since it uses less digits than its factorization.

253197017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22299.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 253197017 is about 15912.1656916964. The cubic root of 253197017 is about 632.6344848831.

The spelling of 253197017 in words is "two hundred fifty-three million, one hundred ninety-seven thousand, seventeen".