538926541 has 2 divisors, whose sum is σ = 538926542. Its totient is φ = 538926540.

The previous prime is 538926529. The next prime is 538926551. The reversal of 538926541 is 145629835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447322500 + 91604041 = 21150^2 + 9571^2 .

It is a cyclic number.

It is not a de Polignac number, because 538926541 - 2¹⁹ = 538402253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538926511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269463270 + 269463271.

It is an arithmetic number, because the mean of its divisors is an integer number (269463271).

Almost surely, 2^538926541 is an apocalyptic number.

It is an amenable number.

538926541 is a deficient number, since it is larger than the sum of its proper divisors (1).

538926541 is an equidigital number, since it uses as much as digits as its factorization.

538926541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 538926541 is about 23214.7914270191. The cubic root of 538926541 is about 813.7853314721.

The spelling of 538926541 in words is "five hundred thirty-eight million, nine hundred twenty-six thousand, five hundred forty-one".