538507141 has 2 divisors, whose sum is σ = 538507142. Its totient is φ = 538507140.

The previous prime is 538507129. The next prime is 538507157. The reversal of 538507141 is 141705835.

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., 314885025 + 223622116 = 17745^2 + 14954^2 .

It is a cyclic number.

It is not a de Polignac number, because 538507141 - 2¹⁵ = 538474373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538507097 and 538507106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538507121) 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 as a sum of consecutive naturals, namely, 269253570 + 269253571.

It is an arithmetic number, because the mean of its divisors is an integer number (269253571).

Almost surely, 2^538507141 is an apocalyptic number.

It is an amenable number.

538507141 is a deficient number, since it is larger than the sum of its proper divisors (1).

538507141 is an equidigital number, since it uses as much as digits as its factorization.

538507141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 538507141 is about 23205.7566349387. The cubic root of 538507141 is about 813.5741770657.

The spelling of 538507141 in words is "five hundred thirty-eight million, five hundred seven thousand, one hundred forty-one".