538433477 has 2 divisors, whose sum is σ = 538433478. Its totient is φ = 538433476.

The previous prime is 538433461. The next prime is 538433479. The reversal of 538433477 is 774334835.

538433477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 441588196 + 96845281 = 21014^2 + 9841^2 .

It is a cyclic number.

It is not a de Polignac number, because 538433477 - 2⁴ = 538433461 is a prime.

Together with 538433479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538433479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269216738 + 269216739.

It is an arithmetic number, because the mean of its divisors is an integer number (269216739).

Almost surely, 2^538433477 is an apocalyptic number.

It is an amenable number.

538433477 is a deficient number, since it is larger than the sum of its proper divisors (1).

538433477 is an equidigital number, since it uses as much as digits as its factorization.

538433477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 44.

The square root of 538433477 is about 23204.1693882802. The cubic root of 538433477 is about 813.5370782936.

The spelling of 538433477 in words is "five hundred thirty-eight million, four hundred thirty-three thousand, four hundred seventy-seven".