21252625183 has 2 divisors, whose sum is σ = 21252625184. Its totient is φ = 21252625182.

The previous prime is 21252625181. The next prime is 21252625241. The reversal of 21252625183 is 38152625212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21252625183 - 2¹ = 21252625181 is a prime.

Together with 21252625181, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21252625181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10626312591 + 10626312592.

It is an arithmetic number, because the mean of its divisors is an integer number (10626312592).

Almost surely, 2^21252625183 is an apocalyptic number.

21252625183 is a deficient number, since it is larger than the sum of its proper divisors (1).

21252625183 is an equidigital number, since it uses as much as digits as its factorization.

21252625183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 37.

The spelling of 21252625183 in words is "twenty-one billion, two hundred fifty-two million, six hundred twenty-five thousand, one hundred eighty-three".