253032660217 has 8 divisors (see below), whose sum is σ = 257325087680. Its totient is φ = 248744889360.

The previous prime is 253032660203. The next prime is 253032660241. The reversal of 253032660217 is 712066230352.

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

It is a cyclic number.

It is not a de Polignac number, because 253032660217 - 2²³ = 253024271609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253032660917) 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, 1054467 + ... + 1271992.

It is an arithmetic number, because the mean of its divisors is an integer number (32165635960).

Almost surely, 2^253032660217 is an apocalyptic number.

It is an amenable number.

253032660217 is a deficient number, since it is larger than the sum of its proper divisors (4292427463).

253032660217 is a wasteful number, since it uses less digits than its factorization.

253032660217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328303.

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 253032660217 its reverse (712066230352), we get a palindrome (965098890569).

The spelling of 253032660217 in words is "two hundred fifty-three billion, thirty-two million, six hundred sixty thousand, two hundred seventeen".