252120242533 has 8 divisors (see below), whose sum is σ = 258997445120. Its totient is φ = 245246363280.

The previous prime is 252120242527. The next prime is 252120242603. The reversal of 252120242533 is 335242021252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252120242533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252120242495 and 252120242504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252120252533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676653 + ... + 980866.

It is an arithmetic number, because the mean of its divisors is an integer number (32374680640).

Almost surely, 2^252120242533 is an apocalyptic number.

It is an amenable number.

252120242533 is a deficient number, since it is larger than the sum of its proper divisors (6877202587).

252120242533 is a wasteful number, since it uses less digits than its factorization.

252120242533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661667.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 252120242533 its reverse (335242021252), we get a palindrome (587362263785).

The spelling of 252120242533 in words is "two hundred fifty-two billion, one hundred twenty million, two hundred forty-two thousand, five hundred thirty-three".