252684753493 has 8 divisors (see below), whose sum is σ = 269916250968. Its totient is φ = 235716332544.

The previous prime is 252684753473. The next prime is 252684753499. The reversal of 252684753493 is 394357486252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2566739569 + 250118013924 = 50663^2 + 500118^2 .

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-252684753493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252684753499) 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, 65767146 + ... + 65770987.

It is an arithmetic number, because the mean of its divisors is an integer number (33739531371).

Almost surely, 2^252684753493 is an apocalyptic number.

It is an amenable number.

252684753493 is a deficient number, since it is larger than the sum of its proper divisors (17231497475).

252684753493 is a wasteful number, since it uses less digits than its factorization.

252684753493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131538263.

The product of its digits is 43545600, while the sum is 58.

The spelling of 252684753493 in words is "two hundred fifty-two billion, six hundred eighty-four million, seven hundred fifty-three thousand, four hundred ninety-three".