538351441 has 2 divisors, whose sum is σ = 538351442. Its totient is φ = 538351440.

The previous prime is 538351433. The next prime is 538351469. The reversal of 538351441 is 144153835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538054416 + 297025 = 23196^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 538351441 - 2³ = 538351433 is a prime.

It is equal to p_28266433 and since 538351441 and 28266433 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 538351397 and 538351406.

It is not a weakly prime, because it can be changed into another prime (538351481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269175720 + 269175721.

It is an arithmetic number, because the mean of its divisors is an integer number (269175721).

Almost surely, 2^538351441 is an apocalyptic number.

It is an amenable number.

538351441 is a deficient number, since it is larger than the sum of its proper divisors (1).

538351441 is an equidigital number, since it uses as much as digits as its factorization.

538351441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 34.

The square root of 538351441 is about 23202.4016213839. The cubic root of 538351441 is about 813.4957592199.

The spelling of 538351441 in words is "five hundred thirty-eight million, three hundred fifty-one thousand, four hundred forty-one".