538151329 has 2 divisors, whose sum is σ = 538151330. Its totient is φ = 538151328.

The previous prime is 538151323. The next prime is 538151381. The reversal of 538151329 is 923151835.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 522031104 + 16120225 = 22848^2 + 4015^2 .

It is a cyclic number.

It is not a de Polignac number, because 538151329 - 2⁵ = 538151297 is a prime.

It is not a weakly prime, because it can be changed into another prime (538151323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269075664 + 269075665.

It is an arithmetic number, because the mean of its divisors is an integer number (269075665).

Almost surely, 2^538151329 is an apocalyptic number.

It is an amenable number.

538151329 is a deficient number, since it is larger than the sum of its proper divisors (1).

538151329 is an equidigital number, since it uses as much as digits as its factorization.

538151329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 37.

The square root of 538151329 is about 23198.0889083562. The cubic root of 538151329 is about 813.3949511941.

The spelling of 538151329 in words is "five hundred thirty-eight million, one hundred fifty-one thousand, three hundred twenty-nine".