125303254253 has 4 divisors (see below), whose sum is σ = 128359431228. Its totient is φ = 122247077280.

The previous prime is 125303254217. The next prime is 125303254283. The reversal of 125303254253 is 352452303521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58980008164 + 66323246089 = 242858^2 + 257533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125303254253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125303254283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528088426 + ... + 1528088507.

It is an arithmetic number, because the mean of its divisors is an integer number (32089857807).

Almost surely, 2^125303254253 is an apocalyptic number.

It is an amenable number.

125303254253 is a deficient number, since it is larger than the sum of its proper divisors (3056176975).

125303254253 is an equidigital number, since it uses as much as digits as its factorization.

125303254253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056176974.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 125303254253 its reverse (352452303521), we get a palindrome (477755557774).

The spelling of 125303254253 in words is "one hundred twenty-five billion, three hundred three million, two hundred fifty-four thousand, two hundred fifty-three".