253355061205 has 8 divisors (see below), whose sum is σ = 304041043512. Its totient is φ = 202674068928.

The previous prime is 253355061173. The next prime is 253355061251. The reversal of 253355061205 is 502160553352.

It can be written as a sum of positive squares in 4 ways, for example, as 125161703524 + 128193357681 = 353782^2 + 358041^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 253355061205 - 2⁵ = 253355061173 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 7 ways as a sum of consecutive naturals, for example, 1134882 + ... + 1339651.

It is an arithmetic number, because the mean of its divisors is an integer number (38005130439).

Almost surely, 2^253355061205 is an apocalyptic number.

It is an amenable number.

253355061205 is a deficient number, since it is larger than the sum of its proper divisors (50685982307).

253355061205 is a wasteful number, since it uses less digits than its factorization.

253355061205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495015.

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 253355061205 in words is "two hundred fifty-three billion, three hundred fifty-five million, sixty-one thousand, two hundred five".