252425 has 12 divisors (see below), whose sum is σ = 327360. Its totient is φ = 192720.

The previous prime is 252419. The next prime is 252431. The reversal of 252425 is 524252.

252425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252419) and next prime (252431).

It is not a de Polignac number, because 252425 - 2⁴ = 252409 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252397 and 252406.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356 + ... + 794.

It is an arithmetic number, because the mean of its divisors is an integer number (27280).

2²⁵²⁴²⁵ is an apocalyptic number.

252425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252425 is a deficient number, since it is larger than the sum of its proper divisors (74935).

252425 is a wasteful number, since it uses less digits than its factorization.

252425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 467 counting only the distinct ones).

The product of its digits is 800, while the sum is 20.

The square root of 252425 is about 502.4191477243. The cubic root of 252425 is about 63.1990846687.

Subtracting from 252425 its sum of digits (20), we obtain a triangular number (252405 = T₇₁₀).

Adding to 252425 its reverse (524252), we get a palindrome (776677).

The spelling of 252425 in words is "two hundred fifty-two thousand, four hundred twenty-five".