538151343 has 4 divisors (see below), whose sum is σ = 717535128. Its totient is φ = 358767560.

The previous prime is 538151329. The next prime is 538151381. The reversal of 538151343 is 343151835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 538151343 - 2²⁹ = 1280431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538151323) 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 3 ways as a sum of consecutive naturals, for example, 89691888 + ... + 89691893.

It is an arithmetic number, because the mean of its divisors is an integer number (179383782).

Almost surely, 2^538151343 is an apocalyptic number.

538151343 is a deficient number, since it is larger than the sum of its proper divisors (179383785).

538151343 is a wasteful number, since it uses less digits than its factorization.

538151343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179383784.

The product of its digits is 21600, while the sum is 33.

The square root of 538151343 is about 23198.0892101052. The cubic root of 538151343 is about 813.3949582476.

The spelling of 538151343 in words is "five hundred thirty-eight million, one hundred fifty-one thousand, three hundred forty-three".