543751386025 has 27 divisors (see below), whose sum is σ = 679778042853. Its totient is φ = 431464562400.

The previous prime is 543751385993. The next prime is 543751386041. The reversal of 543751386025 is 520683157345.

It is a happy number.

The square root of 543751386025 is 737395.

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

It can be written as a sum of positive squares in 4 ways, for example, as 204976489 + 543546409536 = 14317^2 + 737256^2 .

It is not a de Polignac number, because 543751386025 - 2⁵ = 543751385993 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 543751386025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 512488995 + ... + 512490055.

Almost surely, 2^543751386025 is an apocalyptic number.

543751386025 is the 737395-th square number.

543751386025 is the 368698-th centered octagonal number.

It is an amenable number.

543751386025 is a deficient number, since it is larger than the sum of its proper divisors (136026656828).

543751386025 is an frugal number, since it uses more digits than its factorization.

543751386025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 49.

Multiplying 543751386025 by its sum of digits (49), we get a square (26643817915225 = 5161765²).

The spelling of 543751386025 in words is "five hundred forty-three billion, seven hundred fifty-one million, three hundred eighty-six thousand, twenty-five".