538911425 has 36 divisors (see below), whose sum is σ = 728072820. Its totient is φ = 395516160.

The previous prime is 538911349. The next prime is 538911431. The reversal of 538911425 is 524119835.

It is a happy number.

It can be written as a sum of positive squares in 18 ways, for example, as 500372161 + 38539264 = 22369^2 + 6208^2 .

It is not a de Polignac number, because 538911425 - 2¹² = 538907329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 967247 + ... + 967803.

It is an arithmetic number, because the mean of its divisors is an integer number (20224245).

Almost surely, 2^538911425 is an apocalyptic number.

It is an amenable number.

538911425 is a deficient number, since it is larger than the sum of its proper divisors (189161395).

538911425 is a wasteful number, since it uses less digits than its factorization.

538911425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 804 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 538911425 is about 23214.4658564439. The cubic root of 538911425 is about 813.7777229558. Note that the first 4 decimals are identical.

The spelling of 538911425 in words is "five hundred thirty-eight million, nine hundred eleven thousand, four hundred twenty-five".