505525453 has 4 divisors (see below), whose sum is σ = 506974300. Its totient is φ = 504076608.

The previous prime is 505525439. The next prime is 505525469. The reversal of 505525453 is 354525505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354525505 = 5 ⋅70905101.

It can be written as a sum of positive squares in 2 ways, for example, as 247055524 + 258469929 = 15718^2 + 16077^2 .

It is a cyclic number.

It is not a de Polignac number, because 505525453 - 2⁹ = 505524941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505525403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723900 + ... + 724597.

It is an arithmetic number, because the mean of its divisors is an integer number (126743575).

Almost surely, 2^505525453 is an apocalyptic number.

It is an amenable number.

505525453 is a deficient number, since it is larger than the sum of its proper divisors (1448847).

505525453 is a wasteful number, since it uses less digits than its factorization.

505525453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448846.

The product of its (nonzero) digits is 75000, while the sum is 34.

The square root of 505525453 is about 22483.8931904597. The cubic root of 505525453 is about 796.6135250661.

The spelling of 505525453 in words is "five hundred five million, five hundred twenty-five thousand, four hundred fifty-three".