543401925 has 36 divisors (see below), whose sum is σ = 987540960. Its totient is φ = 263463200.

The previous prime is 543401909. The next prime is 543401939. The reversal of 543401925 is 529104345.

It is not a de Polignac number, because 543401925 - 2⁴ = 543401909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20865 + ... + 39014.

Almost surely, 2^543401925 is an apocalyptic number.

543401925 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543401925 is a deficient number, since it is larger than the sum of its proper divisors (444139035).

543401925 is a wasteful number, since it uses less digits than its factorization.

543401925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59914 (or 59898 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 543401925 is about 23310.9829265091. The cubic root of 543401925 is about 816.0317518763.

It can be divided in two parts, 54340 and 1925, that added together give a palindrome (56265).

The spelling of 543401925 in words is "five hundred forty-three million, four hundred one thousand, nine hundred twenty-five".