538612431 has 16 divisors (see below), whose sum is σ = 822553344. Its totient is φ = 307099584.

The previous prime is 538612423. The next prime is 538612457. The reversal of 538612431 is 134216835.

It is not a de Polignac number, because 538612431 - 2³ = 538612423 is a prime.

It is a super-2 number, since 2×538612431² = 580206701655459522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 538612392 and 538612401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538612421) 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 15 ways as a sum of consecutive naturals, for example, 18465 + ... + 37658.

It is an arithmetic number, because the mean of its divisors is an integer number (51409584).

Almost surely, 2^538612431 is an apocalyptic number.

538612431 is a deficient number, since it is larger than the sum of its proper divisors (283940913).

538612431 is a wasteful number, since it uses less digits than its factorization.

538612431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56590.

The product of its digits is 17280, while the sum is 33.

The square root of 538612431 is about 23208.0251421787. The cubic root of 538612431 is about 813.6271974972.

The spelling of 538612431 in words is "five hundred thirty-eight million, six hundred twelve thousand, four hundred thirty-one".