505725602 has 8 divisors (see below), whose sum is σ = 766409196. Its totient is φ = 250255872.

The previous prime is 505725601. The next prime is 505725617. The reversal of 505725602 is 206527505.

It can be written as a sum of positive squares in 2 ways, for example, as 495997441 + 9728161 = 22271^2 + 3119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (505725601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303223 + ... + 1303610.

Almost surely, 2^505725602 is an apocalyptic number.

505725602 is a deficient number, since it is larger than the sum of its proper divisors (260683594).

505725602 is a wasteful number, since it uses less digits than its factorization.

505725602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606932.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 505725602 is about 22488.3436917884. The cubic root of 505725602 is about 796.7186436524.

The spelling of 505725602 in words is "five hundred five million, seven hundred twenty-five thousand, six hundred two".