253131425 has 24 divisors (see below), whose sum is σ = 322396032. Its totient is φ = 197064000.

The previous prime is 253131409. The next prime is 253131443. The reversal of 253131425 is 524131352.

It is a happy number.

It is not a de Polignac number, because 253131425 - 2⁴ = 253131409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253131394 and 253131403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247415 + ... + 248435.

It is an arithmetic number, because the mean of its divisors is an integer number (13433168).

Almost surely, 2^253131425 is an apocalyptic number.

253131425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253131425 is a deficient number, since it is larger than the sum of its proper divisors (69264607).

253131425 is a wasteful number, since it uses less digits than its factorization.

253131425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1284 counting only the distinct ones).

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

The square root of 253131425 is about 15910.1044936858. The cubic root of 253131425 is about 632.5798510840.

Adding to 253131425 its reverse (524131352), we get a palindrome (777262777).

The spelling of 253131425 in words is "two hundred fifty-three million, one hundred thirty-one thousand, four hundred twenty-five".