213252101563 has 4 divisors (see below), whose sum is σ = 213253027120. Its totient is φ = 213251176008.

The previous prime is 213252101533. The next prime is 213252101597. The reversal of 213252101563 is 365101252312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 213252101563 - 2²⁵ = 213218547131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213252101533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186106 + ... + 679072.

It is an arithmetic number, because the mean of its divisors is an integer number (53313256780).

Almost surely, 2^213252101563 is an apocalyptic number.

213252101563 is a deficient number, since it is larger than the sum of its proper divisors (925557).

213252101563 is an equidigital number, since it uses as much as digits as its factorization.

213252101563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925556.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 213252101563 its reverse (365101252312), we get a palindrome (578353353875).

The spelling of 213252101563 in words is "two hundred thirteen billion, two hundred fifty-two million, one hundred one thousand, five hundred sixty-three".