519473355025 has 27 divisors (see below), whose sum is σ = 658358474619. Its totient is φ = 406603967280.

The previous prime is 519473355013. The next prime is 519473355047. The reversal of 519473355025 is 520553374915.

The square root of 519473355025 is 720745.

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., 187010407809 + 332462947216 = 432447^2 + 576596^2 .

It is not a de Polignac number, because 519473355025 - 2¹⁵ = 519473322257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 519473355025.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 169373542 + ... + 169376608.

Almost surely, 2^519473355025 is an apocalyptic number.

519473355025 is the 720745-th square number.

519473355025 is the 360373-rd centered octagonal number.

It is an amenable number.

519473355025 is a deficient number, since it is larger than the sum of its proper divisors (138885119594).

519473355025 is an frugal number, since it uses more digits than its factorization.

519473355025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238 (or 3119 counting only the distinct ones).

The product of its (nonzero) digits is 2835000, while the sum is 49.

Multiplying 519473355025 by its sum of digits (49), we get a square (25454194396225 = 5045215²).

The spelling of 519473355025 in words is "five hundred nineteen billion, four hundred seventy-three million, three hundred fifty-five thousand, twenty-five".