253005052805 has 16 divisors (see below), whose sum is σ = 321881194224. Its totient is φ = 190251432960.

The previous prime is 253005052753. The next prime is 253005052819. The reversal of 253005052805 is 508250500352.

It can be written as a sum of positive squares in 8 ways, for example, as 63927054244 + 189077998561 = 252838^2 + 434831^2 .

It is not a de Polignac number, because 253005052805 - 2¹⁰ = 253005051781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1859606 + ... + 1991015.

It is an arithmetic number, because the mean of its divisors is an integer number (20117574639).

Almost surely, 2^253005052805 is an apocalyptic number.

It is an amenable number.

253005052805 is a deficient number, since it is larger than the sum of its proper divisors (68876141419).

253005052805 is a wasteful number, since it uses less digits than its factorization.

253005052805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851416.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 253005052805 in words is "two hundred fifty-three billion, five million, fifty-two thousand, eight hundred five".