253005825 has 12 divisors (see below), whose sum is σ = 418303088. Its totient is φ = 134936400.

The previous prime is 253005821. The next prime is 253005833. The reversal of 253005825 is 528500352.

It is not a de Polignac number, because 253005825 - 2² = 253005821 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 253005792 and 253005801.

It is not an unprimeable number, because it can be changed into a prime (253005821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1686631 + ... + 1686780.

Almost surely, 2^253005825 is an apocalyptic number.

253005825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253005825 is a deficient number, since it is larger than the sum of its proper divisors (165297263).

253005825 is a wasteful number, since it uses less digits than its factorization.

253005825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373424 (or 3373419 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 253005825 is about 15906.1568268391. The cubic root of 253005825 is about 632.4752082436.

It can be divided in two parts, 25300 and 5825, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 253005825 in words is "two hundred fifty-three million, five thousand, eight hundred twenty-five".