505230925 has 6 divisors (see below), whose sum is σ = 626486378. Its totient is φ = 404184720.

The previous prime is 505230923. The next prime is 505230931. The reversal of 505230925 is 529032505.

It can be written as a sum of positive squares in 3 ways, for example, as 15139881 + 490091044 = 3891^2 + 22138^2 .

It is not a de Polignac number, because 505230925 - 2¹ = 505230923 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505230923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10104594 + ... + 10104643.

Almost surely, 2^505230925 is an apocalyptic number.

It is an amenable number.

505230925 is a deficient number, since it is larger than the sum of its proper divisors (121255453).

505230925 is a wasteful number, since it uses less digits than its factorization.

505230925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20209247 (or 20209242 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 505230925 is about 22477.3424808183. The cubic root of 505230925 is about 796.4587880051.

The spelling of 505230925 in words is "five hundred five million, two hundred thirty thousand, nine hundred twenty-five".