253012625 has 8 divisors (see below), whose sum is σ = 315759912. Its totient is φ = 202410000.

The previous prime is 253012601. The next prime is 253012637. The reversal of 253012625 is 526210352.

It can be written as a sum of positive squares in 4 ways, for example, as 5013121 + 247999504 = 2239^2 + 15748^2 .

It is not a de Polignac number, because 253012625 - 2¹⁴ = 252996241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253012594 and 253012603.

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 7 ways as a sum of consecutive naturals, for example, 1011926 + ... + 1012175.

It is an arithmetic number, because the mean of its divisors is an integer number (39469989).

Almost surely, 2^253012625 is an apocalyptic number.

253012625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253012625 is a deficient number, since it is larger than the sum of its proper divisors (62747287).

253012625 is an equidigital number, since it uses as much as digits as its factorization.

253012625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024116 (or 2024106 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 253012625 is about 15906.3705791107. The cubic root of 253012625 is about 632.4808745070.

Adding to 253012625 its reverse (526210352), we get a palindrome (779222977).

The spelling of 253012625 in words is "two hundred fifty-three million, twelve thousand, six hundred twenty-five".