125425523 has 4 divisors (see below), whose sum is σ = 128815440. Its totient is φ = 122035608.

The previous prime is 125425513. The next prime is 125425543. The reversal of 125425523 is 325524521.

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

It is a cyclic number.

It is not a de Polignac number, because 125425523 - 2¹⁰ = 125424499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125425513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694903 + ... + 1694976.

It is an arithmetic number, because the mean of its divisors is an integer number (32203860).

Almost surely, 2^125425523 is an apocalyptic number.

125425523 is a deficient number, since it is larger than the sum of its proper divisors (3389917).

125425523 is an equidigital number, since it uses as much as digits as its factorization.

125425523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389916.

The product of its digits is 12000, while the sum is 29.

The square root of 125425523 is about 11199.3536867089. The cubic root of 125425523 is about 500.5667214110.

The spelling of 125425523 in words is "one hundred twenty-five million, four hundred twenty-five thousand, five hundred twenty-three".