538272645 has 8 divisors (see below), whose sum is σ = 861236256. Its totient is φ = 287078736.

The previous prime is 538272643. The next prime is 538272659. The reversal of 538272645 is 546272835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 538272645 - 2¹ = 538272643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538272597 and 538272606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538272643) 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 7 ways as a sum of consecutive naturals, for example, 17942407 + ... + 17942436.

It is an arithmetic number, because the mean of its divisors is an integer number (107654532).

Almost surely, 2^538272645 is an apocalyptic number.

It is an amenable number.

538272645 is a deficient number, since it is larger than the sum of its proper divisors (322963611).

538272645 is a wasteful number, since it uses less digits than its factorization.

538272645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35884851.

The product of its digits is 403200, while the sum is 42.

The square root of 538272645 is about 23200.7035453669. The cubic root of 538272645 is about 813.4560680848.

The spelling of 538272645 in words is "five hundred thirty-eight million, two hundred seventy-two thousand, six hundred forty-five".