253434824585 has 8 divisors (see below), whose sum is σ = 311539394376. Its totient is φ = 197802789760.

The previous prime is 253434824527. The next prime is 253434824623. The reversal of 253434824585 is 585428434352.

It can be written as a sum of positive squares in 4 ways, for example, as 9651687049 + 243783137536 = 98243^2 + 493744^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253434824585 - 2⁶ = 253434824521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618133514 + ... + 618133923.

It is an arithmetic number, because the mean of its divisors is an integer number (38942424297).

Almost surely, 2^253434824585 is an apocalyptic number.

It is an amenable number.

253434824585 is a deficient number, since it is larger than the sum of its proper divisors (58104569791).

253434824585 is a wasteful number, since it uses less digits than its factorization.

253434824585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236267483.

The product of its digits is 18432000, while the sum is 53.

The spelling of 253434824585 in words is "two hundred fifty-three billion, four hundred thirty-four million, eight hundred twenty-four thousand, five hundred eighty-five".