253852505825 has 12 divisors (see below), whose sum is σ = 316596633468. Its totient is φ = 201908116800.

The previous prime is 253852505783. The next prime is 253852505827. The reversal of 253852505825 is 528505258352.

It can be written as a sum of positive squares in 6 ways, for example, as 12306796096 + 241545709729 = 110936^2 + 491473^2 .

It is not a de Polignac number, because 253852505825 - 2⁶ = 253852505761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253852505827) 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, 29342786 + ... + 29351435.

It is an arithmetic number, because the mean of its divisors is an integer number (26383052789).

Almost surely, 2^253852505825 is an apocalyptic number.

253852505825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253852505825 is a deficient number, since it is larger than the sum of its proper divisors (62744127643).

253852505825 is a wasteful number, since it uses less digits than its factorization.

253852505825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58694404 (or 58694399 counting only the distinct ones).

The product of its (nonzero) digits is 4800000, while the sum is 50.

The spelling of 253852505825 in words is "two hundred fifty-three billion, eight hundred fifty-two million, five hundred five thousand, eight hundred twenty-five".