8125253629 has 2 divisors, whose sum is σ = 8125253630. Its totient is φ = 8125253628.

The previous prime is 8125253627. The next prime is 8125253671. The reversal of 8125253629 is 9263525218.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7060536729 + 1064716900 = 84027^2 + 32630^2 .

It is a cyclic number.

It is not a de Polignac number, because 8125253629 - 2¹ = 8125253627 is a prime.

Together with 8125253627, 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 (8125253623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062626814 + 4062626815.

It is an arithmetic number, because the mean of its divisors is an integer number (4062626815).

Almost surely, 2^8125253629 is an apocalyptic number.

It is an amenable number.

8125253629 is a deficient number, since it is larger than the sum of its proper divisors (1).

8125253629 is an equidigital number, since it uses as much as digits as its factorization.

8125253629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 8125253629 is about 90140.1887561813. The cubic root of 8125253629 is about 2010.3837974903.

The spelling of 8125253629 in words is "eight billion, one hundred twenty-five million, two hundred fifty-three thousand, six hundred twenty-nine".