252124322045 has 4 divisors (see below), whose sum is σ = 302549186460. Its totient is φ = 201699457632.

The previous prime is 252124322033. The next prime is 252124322123. The reversal of 252124322045 is 540223421252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29163759076 + 222960562969 = 170774^2 + 472187^2 .

It is a cyclic number.

It is not a de Polignac number, because 252124322045 - 2⁴ = 252124322029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25212432200 + ... + 25212432209.

It is an arithmetic number, because the mean of its divisors is an integer number (75637296615).

Almost surely, 2^252124322045 is an apocalyptic number.

It is an amenable number.

252124322045 is a deficient number, since it is larger than the sum of its proper divisors (50424864415).

252124322045 is an equidigital number, since it uses as much as digits as its factorization.

252124322045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50424864414.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 252124322045 its reverse (540223421252), we get a palindrome (792347743297).

The spelling of 252124322045 in words is "two hundred fifty-two billion, one hundred twenty-four million, three hundred twenty-two thousand, forty-five".