252302003405 has 8 divisors (see below), whose sum is σ = 310945171992. Its totient is φ = 196386424128.

The previous prime is 252302003377. The next prime is 252302003413. The reversal of 252302003405 is 504300203252.

It can be written as a sum of positive squares in 4 ways, for example, as 16637388196 + 235664615209 = 128986^2 + 485453^2 .

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 252302003405 - 2²⁴ = 252285226189 is a prime.

It is a super-3 number, since 3×252302003405³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681897122 + ... + 681897491.

It is an arithmetic number, because the mean of its divisors is an integer number (38868146499).

Almost surely, 2^252302003405 is an apocalyptic number.

It is an amenable number.

252302003405 is a deficient number, since it is larger than the sum of its proper divisors (58643168587).

252302003405 is a wasteful number, since it uses less digits than its factorization.

252302003405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363794655.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 252302003405 its reverse (504300203252), we get a palindrome (756602206657).

The spelling of 252302003405 in words is "two hundred fifty-two billion, three hundred two million, three thousand, four hundred five".