543401125 has 16 divisors (see below), whose sum is σ = 678815280. Its totient is φ = 434304000.

The previous prime is 543401113. The next prime is 543401143. The reversal of 543401125 is 521104345.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 102779044 + 440622081 = 10138^2 + 20991^2 .

It is not a de Polignac number, because 543401125 - 2⁵ = 543401093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 543401125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259081 + ... + 261169.

It is an arithmetic number, because the mean of its divisors is an integer number (42425955).

Almost surely, 2^543401125 is an apocalyptic number.

It is an amenable number.

543401125 is a deficient number, since it is larger than the sum of its proper divisors (135414155).

543401125 is a wasteful number, since it uses less digits than its factorization.

543401125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185 (or 4175 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 543401125 is about 23310.9657672092. The cubic root of 543401125 is about 816.0313514202.

The spelling of 543401125 in words is "five hundred forty-three million, four hundred one thousand, one hundred twenty-five".