505302825 has 12 divisors (see below), whose sum is σ = 835434128. Its totient is φ = 269494800.

The previous prime is 505302797. The next prime is 505302827. The reversal of 505302825 is 528203505.

It is not a de Polignac number, because 505302825 - 2⁹ = 505302313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505302792 and 505302801.

It is not an unprimeable number, because it can be changed into a prime (505302827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3368611 + ... + 3368760.

Almost surely, 2^505302825 is an apocalyptic number.

It is an amenable number.

505302825 is a deficient number, since it is larger than the sum of its proper divisors (330131303).

505302825 is a wasteful number, since it uses less digits than its factorization.

505302825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737384 (or 6737379 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 505302825 is about 22478.9418122829. The cubic root of 505302825 is about 796.4965678715.

The spelling of 505302825 in words is "five hundred five million, three hundred two thousand, eight hundred twenty-five".