252644652053563 has 8 divisors (see below), whose sum is σ = 314985540222720. Its totient is φ = 196865962639080.

The previous prime is 252644652053551. The next prime is 252644652053603. The reversal of 252644652053563 is 365350256446252.

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

It is not a de Polignac number, because 252644652053563 - 2⁴¹ = 250445628798011 is a prime.

It is a super-2 number, since 2×252644652053563² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252644652053498 and 252644652053507.

It is not an unprimeable number, because it can be changed into a prime (252644652053863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640549688583 + ... + 1640549688736.

It is an arithmetic number, because the mean of its divisors is an integer number (39373192527840).

Almost surely, 2^{252644652053563} is an apocalyptic number.

252644652053563 is a deficient number, since it is larger than the sum of its proper divisors (62340888169157).

252644652053563 is a wasteful number, since it uses less digits than its factorization.

252644652053563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281099377337.

The product of its (nonzero) digits is 155520000, while the sum is 58.

The spelling of 252644652053563 in words is "two hundred fifty-two trillion, six hundred forty-four billion, six hundred fifty-two million, fifty-three thousand, five hundred sixty-three".