538567625 has 8 divisors (see below), whose sum is σ = 672132552. Its totient is φ = 430854000.

The previous prime is 538567591. The next prime is 538567637. The reversal of 538567625 is 526765835.

It can be written as a sum of positive squares in 4 ways, for example, as 12645136 + 525922489 = 3556^2 + 22933^2 .

It is not a de Polignac number, because 538567625 - 2¹⁴ = 538551241 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 538567625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2154146 + ... + 2154395.

It is an arithmetic number, because the mean of its divisors is an integer number (84016569).

Almost surely, 2^538567625 is an apocalyptic number.

It is an amenable number.

538567625 is a deficient number, since it is larger than the sum of its proper divisors (133564927).

538567625 is an equidigital number, since it uses as much as digits as its factorization.

538567625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308556 (or 4308546 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 47.

The square root of 538567625 is about 23207.0598094632. The cubic root of 538567625 is about 813.6046355775.

The spelling of 538567625 in words is "five hundred thirty-eight million, five hundred sixty-seven thousand, six hundred twenty-five".