403765125 has 16 divisors (see below), whose sum is σ = 671865792. Its totient is φ = 215341200.

The previous prime is 403765123. The next prime is 403765151. The reversal of 403765125 is 521567304.

It is not a de Polignac number, because 403765125 - 2¹ = 403765123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403765123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537979 + ... + 538728.

It is an arithmetic number, because the mean of its divisors is an integer number (41991612).

Almost surely, 2^403765125 is an apocalyptic number.

It is an amenable number.

403765125 is a deficient number, since it is larger than the sum of its proper divisors (268100667).

403765125 is a wasteful number, since it uses less digits than its factorization.

403765125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076725 (or 1076715 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 403765125 is about 20093.9076587905. The cubic root of 403765125 is about 739.1108904052.

The spelling of 403765125 in words is "four hundred three million, seven hundred sixty-five thousand, one hundred twenty-five".