253242125 has 16 divisors (see below), whose sum is σ = 317730816. Its totient is φ = 201514000.

The previous prime is 253242061. The next prime is 253242133. The reversal of 253242125 is 521242352.

It is not a de Polignac number, because 253242125 - 2⁶ = 253242061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253242094 and 253242103.

It is a congruent number.

It is an unprimeable number.

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, 18572 + ... + 29178.

It is an arithmetic number, because the mean of its divisors is an integer number (19858176).

Almost surely, 2^253242125 is an apocalyptic number.

253242125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253242125 is a deficient number, since it is larger than the sum of its proper divisors (64488691).

253242125 is a wasteful number, since it uses less digits than its factorization.

253242125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10813 (or 10803 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 253242125 is about 15913.5830346280. The cubic root of 253242125 is about 632.6720513892.

Adding to 253242125 its reverse (521242352), we get a palindrome (774484477).

The spelling of 253242125 in words is "two hundred fifty-three million, two hundred forty-two thousand, one hundred twenty-five".