505604253 has 32 divisors (see below), whose sum is σ = 842130432. Its totient is φ = 262137600.

The previous prime is 505604227. The next prime is 505604273. The reversal of 505604253 is 352406505.

It is not a de Polignac number, because 505604253 - 2⁹ = 505603741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505604253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505604273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135138 + ... + 138828.

It is an arithmetic number, because the mean of its divisors is an integer number (26316576).

Almost surely, 2^505604253 is an apocalyptic number.

It is an amenable number.

505604253 is a deficient number, since it is larger than the sum of its proper divisors (336526179).

505604253 is a wasteful number, since it uses less digits than its factorization.

505604253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 505604253 is about 22485.6454877328. The cubic root of 505604253 is about 796.6549142675.

The spelling of 505604253 in words is "five hundred five million, six hundred four thousand, two hundred fifty-three".