253053505 has 8 divisors (see below), whose sum is σ = 303798312. Its totient is φ = 202353408.

The previous prime is 253053497. The next prime is 253053509. The reversal of 253053505 is 505350352.

It can be written as a sum of positive squares in 4 ways, for example, as 47761921 + 205291584 = 6911^2 + 14328^2 .

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 253053505 - 2³ = 253053497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253053509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2889 + ... + 22681.

It is an arithmetic number, because the mean of its divisors is an integer number (37974789).

Almost surely, 2^253053505 is an apocalyptic number.

It is an amenable number.

253053505 is a deficient number, since it is larger than the sum of its proper divisors (50744807).

253053505 is a wasteful number, since it uses less digits than its factorization.

253053505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22355.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 253053505 is about 15907.6555469371. The cubic root of 253053505 is about 632.5149366093.

The spelling of 253053505 in words is "two hundred fifty-three million, fifty-three thousand, five hundred five".