252405125 has 60 divisors (see below), whose sum is σ = 380588676. Its totient is φ = 167109600.

The previous prime is 252405091. The next prime is 252405199. The reversal of 252405125 is 521504252.

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.

252405125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 76073284 + 176331841 = 8722^2 + 13279^2 .

It is not a de Polignac number, because 252405125 - 2¹⁰ = 252404101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252405094 and 252405103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 8703611 + ... + 8703639.

Almost surely, 2^252405125 is an apocalyptic number.

252405125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252405125 is a deficient number, since it is larger than the sum of its proper divisors (128183551).

252405125 is an frugal number, since it uses more digits than its factorization.

252405125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 252405125 is about 15887.2629801360. The cubic root of 252405125 is about 631.9742593867.

Adding to 252405125 its reverse (521504252), we get a palindrome (773909377).

The spelling of 252405125 in words is "two hundred fifty-two million, four hundred five thousand, one hundred twenty-five".