538448701 has 12 divisors (see below), whose sum is σ = 663204348. Its totient is φ = 434378112.

The previous prime is 538448693. The next prime is 538448719. The reversal of 538448701 is 107844835.

It can be written as a sum of positive squares in 2 ways, for example, as 144624676 + 393824025 = 12026^2 + 19845^2 .

It is not a de Polignac number, because 538448701 - 2³ = 538448693 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 (538448741) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 322366 + ... + 324031.

It is an arithmetic number, because the mean of its divisors is an integer number (55267029).

Almost surely, 2^538448701 is an apocalyptic number.

It is an amenable number.

538448701 is a deficient number, since it is larger than the sum of its proper divisors (124755647).

538448701 is a wasteful number, since it uses less digits than its factorization.

538448701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646428 (or 646421 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 538448701 is about 23204.4974304552. The cubic root of 538448701 is about 813.5447457043.

The spelling of 538448701 in words is "five hundred thirty-eight million, four hundred forty-eight thousand, seven hundred one".