5253021761243 has 8 divisors (see below), whose sum is σ = 5270259710976. Its totient is φ = 5235786037800.

The previous prime is 5253021761237. The next prime is 5253021761263. The reversal of 5253021761243 is 3421671203525.

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 5253021761243 - 2⁴ = 5253021761227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5253021761243.

It is not an unprimeable number, because it can be changed into a prime (5253021761263) 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, 4237880 + ... + 5335322.

It is an arithmetic number, because the mean of its divisors is an integer number (658782463872).

Almost surely, 2^{5253021761243} is an apocalyptic number.

5253021761243 is a deficient number, since it is larger than the sum of its proper divisors (17237949733).

5253021761243 is a wasteful number, since it uses less digits than its factorization.

5253021761243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113145.

The product of its (nonzero) digits is 302400, while the sum is 41.

Adding to 5253021761243 its reverse (3421671203525), we get a palindrome (8674692964768).

The spelling of 5253021761243 in words is "five trillion, two hundred fifty-three billion, twenty-one million, seven hundred sixty-one thousand, two hundred forty-three".