505500025 has 12 divisors (see below), whose sum is σ = 627576400. Its totient is φ = 403912080.

The previous prime is 505500013. The next prime is 505500041. The reversal of 505500025 is 520005505.

It is not a de Polignac number, because 505500025 - 2¹¹ = 505497977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505499969 and 505500005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9706 + ... + 33244.

Almost surely, 2^505500025 is an apocalyptic number.

It is an amenable number.

505500025 is a deficient number, since it is larger than the sum of its proper divisors (122076375).

505500025 is a wasteful number, since it uses less digits than its factorization.

505500025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24408 (or 24403 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 505500025 is about 22483.3277118846. The cubic root of 505500025 is about 796.6001682521.

The spelling of 505500025 in words is "five hundred five million, five hundred thousand, twenty-five".