25703125 has 32 divisors (see below), whose sum is σ = 37499904. Its totient is φ = 17250000.

The previous prime is 25703089. The next prime is 25703141. The reversal of 25703125 is 52130752.

It is not a de Polignac number, because 25703125 - 2¹⁹ = 25178837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25703125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546852 + ... + 546898.

It is an arithmetic number, because the mean of its divisors is an integer number (1171872).

Almost surely, 2^25703125 is an apocalyptic number.

25703125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25703125 is a deficient number, since it is larger than the sum of its proper divisors (11796779).

25703125 is an frugal number, since it uses more digits than its factorization.

25703125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 25703125 is about 5069.8249476683. The cubic root of 25703125 is about 295.1177352518.

Adding to 25703125 its reverse (52130752), we get a palindrome (77833877).

The spelling of 25703125 in words is "twenty-five million, seven hundred three thousand, one hundred twenty-five".