505125761284 has 9 divisors (see below), whose sum is σ = 883972569781. Its totient is φ = 252562169920.

The previous prime is 505125761263. The next prime is 505125761293. The reversal of 505125761284 is 482167521505.

The square root of 505125761284 is 710722.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 276488775684 + 228636985600 = 525822^2 + 478160^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1243764 + ... + 1599124.

Almost surely, 2^505125761284 is an apocalyptic number.

505125761284 is the 710722-nd square number.

It is an amenable number.

505125761284 is a deficient number, since it is larger than the sum of its proper divisors (378846808497).

505125761284 is an frugal number, since it uses more digits than its factorization.

505125761284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710726 (or 355363 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 46.

The spelling of 505125761284 in words is "five hundred five billion, one hundred twenty-five million, seven hundred sixty-one thousand, two hundred eighty-four".