9983925253 has 2 divisors, whose sum is σ = 9983925254. Its totient is φ = 9983925252.

The previous prime is 9983925251. The next prime is 9983925311. The reversal of 9983925253 is 3525293899.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7985567044 + 1998358209 = 89362^2 + 44703^2 .

It is a cyclic number.

It is not a de Polignac number, because 9983925253 - 2¹ = 9983925251 is a prime.

It is a super-2 number, since 2×9983925253² (a number of 21 digits) contains 22 as substring.

Together with 9983925251, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 9983925194 and 9983925203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9983925251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991962626 + 4991962627.

It is an arithmetic number, because the mean of its divisors is an integer number (4991962627).

Almost surely, 2^9983925253 is an apocalyptic number.

It is an amenable number.

9983925253 is a deficient number, since it is larger than the sum of its proper divisors (1).

9983925253 is an equidigital number, since it uses as much as digits as its factorization.

9983925253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5248800, while the sum is 55.

The square root of 9983925253 is about 99919.5939393270. The cubic root of 9983925253 is about 2153.2796711704.

The spelling of 9983925253 in words is "nine billion, nine hundred eighty-three million, nine hundred twenty-five thousand, two hundred fifty-three".