252001618327 has 4 divisors (see below), whose sum is σ = 253841046336. Its totient is φ = 250162190320.

The previous prime is 252001618301. The next prime is 252001618357. The reversal of 252001618327 is 723816100252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252001618327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252001618357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919713799 + ... + 919714072.

It is an arithmetic number, because the mean of its divisors is an integer number (63460261584).

Almost surely, 2^252001618327 is an apocalyptic number.

252001618327 is a deficient number, since it is larger than the sum of its proper divisors (1839428009).

252001618327 is a wasteful number, since it uses less digits than its factorization.

252001618327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839428008.

The product of its (nonzero) digits is 40320, while the sum is 37.

Adding to 252001618327 its reverse (723816100252), we get a palindrome (975817718579).

The spelling of 252001618327 in words is "two hundred fifty-two billion, one million, six hundred eighteen thousand, three hundred twenty-seven".