252654013889 has 8 divisors (see below), whose sum is σ = 267533021448. Its totient is φ = 237776896000.

The previous prime is 252654013867. The next prime is 252654013891. The reversal of 252654013889 is 988310456252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47709480625 + 204944533264 = 218425^2 + 452708^2 .

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 252654013889 - 2¹⁶ = 252653948353 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 252654013889.

It is not an unprimeable number, because it can be changed into a prime (252654013289) 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, 192392 + ... + 736425.

It is an arithmetic number, because the mean of its divisors is an integer number (33441627681).

Almost surely, 2^252654013889 is an apocalyptic number.

It is an amenable number.

252654013889 is a deficient number, since it is larger than the sum of its proper divisors (14879007559).

252654013889 is a wasteful number, since it uses less digits than its factorization.

252654013889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944835.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 252654013889 in words is "two hundred fifty-two billion, six hundred fifty-four million, thirteen thousand, eight hundred eighty-nine".