538920725 has 24 divisors (see below), whose sum is σ = 784378368. Its totient is φ = 359553600.

The previous prime is 538920713. The next prime is 538920727. The reversal of 538920725 is 527029835.

It is not a de Polignac number, because 538920725 - 2¹² = 538916629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538920727) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 35141 + ... + 48090.

It is an arithmetic number, because the mean of its divisors is an integer number (32682432).

Almost surely, 2^538920725 is an apocalyptic number.

It is an amenable number.

538920725 is a deficient number, since it is larger than the sum of its proper divisors (245457643).

538920725 is a wasteful number, since it uses less digits than its factorization.

538920725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83285 (or 83280 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 538920725 is about 23214.6661617177. Note that the first 3 decimals coincide. The cubic root of 538920725 is about 813.7824040524.

The spelling of 538920725 in words is "five hundred thirty-eight million, nine hundred twenty thousand, seven hundred twenty-five".