125603325 has 48 divisors (see below), whose sum is σ = 231860160. Its totient is φ = 66663360.

The previous prime is 125603311. The next prime is 125603329. The reversal of 125603325 is 523306521.

125603325 is a `hidden beast` number, since 1 + 25 + 603 + 32 + 5 = 666.

125603325 is a nontrivial binomial coefficient, being equal to C(15850, 2).

It is not a de Polignac number, because 125603325 - 2²⁵ = 92048893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125603329) 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 47 ways as a sum of consecutive naturals, for example, 213682 + ... + 214268.

It is an arithmetic number, because the mean of its divisors is an integer number (4830420).

Almost surely, 2^125603325 is an apocalyptic number.

125603325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125603325 is the 15849-th triangular number and also the 7925-th hexagonal number.

It is an amenable number.

125603325 is a deficient number, since it is larger than the sum of its proper divisors (106256835).

125603325 is a wasteful number, since it uses less digits than its factorization.

125603325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 125603325 is about 11207.2889228395. The cubic root of 125603325 is about 500.8031425666.

Adding to 125603325 its reverse (523306521), we get a palindrome (648909846).

The spelling of 125603325 in words is "one hundred twenty-five million, six hundred three thousand, three hundred twenty-five".