252578013453 has 16 divisors (see below), whose sum is σ = 374197387200. Its totient is φ = 168381860400.

The previous prime is 252578013437. The next prime is 252578013463. The reversal of 252578013453 is 354310875252.

252578013453 is a `hidden beast` number, since 2 + 525 + 7 + 80 + 1 + 3 + 45 + 3 = 666.

252578013453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252578013453 - 2⁴ = 252578013437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252578013399 and 252578013408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252578013463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2559478 + ... + 2656328.

It is an arithmetic number, because the mean of its divisors is an integer number (23387336700).

Almost surely, 2^252578013453 is an apocalyptic number.

It is an amenable number.

252578013453 is a deficient number, since it is larger than the sum of its proper divisors (121619373747).

252578013453 is an equidigital number, since it uses as much as digits as its factorization.

252578013453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193449 (or 193443 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 252578013453 in words is "two hundred fifty-two billion, five hundred seventy-eight million, thirteen thousand, four hundred fifty-three".