25200125 has 12 divisors (see below), whose sum is σ = 31519956. Its totient is φ = 20115200.

The previous prime is 25200121. The next prime is 25200151. The reversal of 25200125 is 52100252.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 5654884 + 19545241 = 2378^2 + 4421^2 .

It is not a de Polignac number, because 25200125 - 2² = 25200121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25200121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55901 + ... + 56349.

It is an arithmetic number, because the mean of its divisors is an integer number (2626663).

Almost surely, 2^25200125 is an apocalyptic number.

25200125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25200125 is a deficient number, since it is larger than the sum of its proper divisors (6319831).

25200125 is an frugal number, since it uses more digits than its factorization.

25200125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 25200125 is about 5019.9726094870. The cubic root of 25200125 is about 293.1799265292.

Adding to 25200125 its reverse (52100252), we get a palindrome (77300377).

The spelling of 25200125 in words is "twenty-five million, two hundred thousand, one hundred twenty-five".