538278383 has 2 divisors, whose sum is σ = 538278384. Its totient is φ = 538278382.

The previous prime is 538278371. The next prime is 538278409. The reversal of 538278383 is 383872835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538278383 - 2¹⁶ = 538212847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538278313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269139191 + 269139192.

It is an arithmetic number, because the mean of its divisors is an integer number (269139192).

Almost surely, 2^538278383 is an apocalyptic number.

538278383 is a deficient number, since it is larger than the sum of its proper divisors (1).

538278383 is an equidigital number, since it uses as much as digits as its factorization.

538278383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The square root of 538278383 is about 23200.8272050804. The cubic root of 538278383 is about 813.4589585619.

The spelling of 538278383 in words is "five hundred thirty-eight million, two hundred seventy-eight thousand, three hundred eighty-three".