253079905 has 16 divisors (see below), whose sum is σ = 344272320. Its totient is φ = 177052608.

The previous prime is 253079891. The next prime is 253079951. The reversal of 253079905 is 509970352.

253079905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 253079905 - 2¹³ = 253071713 is a prime.

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, 101227 + ... + 103696.

It is an arithmetic number, because the mean of its divisors is an integer number (21517020).

Almost surely, 2^253079905 is an apocalyptic number.

It is an amenable number.

253079905 is a deficient number, since it is larger than the sum of its proper divisors (91192415).

253079905 is a wasteful number, since it uses less digits than its factorization.

253079905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204960.

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 253079905 is about 15908.4853144478. The cubic root of 253079905 is about 632.5369317122.

The spelling of 253079905 in words is "two hundred fifty-three million, seventy-nine thousand, nine hundred five".