538433537 has 8 divisors (see below), whose sum is σ = 570440232. Its totient is φ = 506464000.

The previous prime is 538433479. The next prime is 538433557. The reversal of 538433537 is 735334835.

It can be written as a sum of positive squares in 4 ways, for example, as 43771456 + 494662081 = 6616^2 + 22241^2 .

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

It is not a de Polignac number, because 538433537 - 2⁸ = 538433281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538433494 and 538433503.

It is not an unprimeable number, because it can be changed into a prime (538433557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23987 + ... + 40647.

It is an arithmetic number, because the mean of its divisors is an integer number (71305029).

Almost surely, 2^538433537 is an apocalyptic number.

It is an amenable number.

538433537 is a deficient number, since it is larger than the sum of its proper divisors (32006695).

538433537 is a wasteful number, since it uses less digits than its factorization.

538433537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18579.

The product of its digits is 453600, while the sum is 41.

The square root of 538433537 is about 23204.1706811513. The cubic root of 538433537 is about 813.5371085123.

The spelling of 538433537 in words is "five hundred thirty-eight million, four hundred thirty-three thousand, five hundred thirty-seven".