252802780005 has 16 divisors (see below), whose sum is σ = 428277651264. Its totient is φ = 126897081600.

The previous prime is 252802780003. The next prime is 252802780049. The reversal of 252802780005 is 500087208252.

It is a happy number.

It is not a de Polignac number, because 252802780005 - 2¹ = 252802780003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252802780003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495691471 + ... + 495691980.

It is an arithmetic number, because the mean of its divisors is an integer number (26767353204).

Almost surely, 2^252802780005 is an apocalyptic number.

It is an amenable number.

252802780005 is a deficient number, since it is larger than the sum of its proper divisors (175474871259).

252802780005 is a wasteful number, since it uses less digits than its factorization.

252802780005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991383476.

The product of its (nonzero) digits is 89600, while the sum is 39.

Adding to 252802780005 its reverse (500087208252), we get a palindrome (752889988257).

The spelling of 252802780005 in words is "two hundred fifty-two billion, eight hundred two million, seven hundred eighty thousand, five".