505711425 has 96 divisors (see below), whose sum is σ = 911191680. Its totient is φ = 246937600.

The previous prime is 505711403. The next prime is 505711477. The reversal of 505711425 is 524117505.

It is not a de Polignac number, because 505711425 - 2⁸ = 505711169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505711392 and 505711401.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4726222 + ... + 4726328.

It is an arithmetic number, because the mean of its divisors is an integer number (9491580).

Almost surely, 2^505711425 is an apocalyptic number.

It is an amenable number.

505711425 is a deficient number, since it is larger than the sum of its proper divisors (405480255).

505711425 is a wasteful number, since it uses less digits than its factorization.

505711425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 505711425 is about 22488.0284818390. The cubic root of 505711425 is about 796.7111987813.

The spelling of 505711425 in words is "five hundred five million, seven hundred eleven thousand, four hundred twenty-five".