253023212005 has 8 divisors (see below), whose sum is σ = 314097780600. Its totient is φ = 195438618816.

The previous prime is 253023211957. The next prime is 253023212009. The reversal of 253023212005 is 500212320352.

It can be written as a sum of positive squares in 4 ways, for example, as 28196454724 + 224826757281 = 167918^2 + 474159^2 .

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 253023212005 - 2²⁷ = 252888994277 is a prime.

It is a super-2 number, since 2×253023212005² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253023212009) by changing a digit.

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, 872493690 + ... + 872493979.

It is an arithmetic number, because the mean of its divisors is an integer number (39262222575).

Almost surely, 2^253023212005 is an apocalyptic number.

It is an amenable number.

253023212005 is a deficient number, since it is larger than the sum of its proper divisors (61074568595).

253023212005 is a wasteful number, since it uses less digits than its factorization.

253023212005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744987703.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 253023212005 its reverse (500212320352), we get a palindrome (753235532357).

The spelling of 253023212005 in words is "two hundred fifty-three billion, twenty-three million, two hundred twelve thousand, five".