505302425 has 6 divisors (see below), whose sum is σ = 626575038. Its totient is φ = 404241920.

The previous prime is 505302401. The next prime is 505302437. The reversal of 505302425 is 524203505.

It can be written as a sum of positive squares in 3 ways, for example, as 491401 + 504811024 = 701^2 + 22468^2 .

It is not a de Polignac number, because 505302425 - 2⁶ = 505302361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505302394 and 505302403.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10106024 + ... + 10106073.

It is an arithmetic number, because the mean of its divisors is an integer number (104429173).

Almost surely, 2^505302425 is an apocalyptic number.

It is an amenable number.

505302425 is a deficient number, since it is larger than the sum of its proper divisors (121272613).

505302425 is a wasteful number, since it uses less digits than its factorization.

505302425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20212107 (or 20212102 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 505302425 is about 22478.9329150652. The cubic root of 505302425 is about 796.4963577013.

The spelling of 505302425 in words is "five hundred five million, three hundred two thousand, four hundred twenty-five".