4539925 has 24 divisors (see below), whose sum is σ = 6188840. Its totient is φ = 3283200.

The previous prime is 4539923. The next prime is 4539929. The reversal of 4539925 is 5299354.

It can be written as a sum of positive squares in 12 ways, for example, as 2208196 + 2331729 = 1486^2 + 1527^2 .

It is not a de Polignac number, because 4539925 - 2¹ = 4539923 is a prime.

It is a super-2 number, since 2×4539925² = 41221838011250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19711 + ... + 19939.

Almost surely, 2^4539925 is an apocalyptic number.

It is an amenable number.

4539925 is a deficient number, since it is larger than the sum of its proper divisors (1648915).

4539925 is a wasteful number, since it uses less digits than its factorization.

4539925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 308 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The square root of 4539925 is about 2130.7099755715. The cubic root of 4539925 is about 165.5831827500.

The spelling of 4539925 in words is "four million, five hundred thirty-nine thousand, nine hundred twenty-five".