538861153 has 2 divisors, whose sum is σ = 538861154. Its totient is φ = 538861152.

The previous prime is 538861051. The next prime is 538861163. The reversal of 538861153 is 351168835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522442449 + 16418704 = 22857^2 + 4052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538861153 is a prime.

It is not a weakly prime, because it can be changed into another prime (538861163) 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, 269430576 + 269430577.

It is an arithmetic number, because the mean of its divisors is an integer number (269430577).

Almost surely, 2^538861153 is an apocalyptic number.

It is an amenable number.

538861153 is a deficient number, since it is larger than the sum of its proper divisors (1).

538861153 is an equidigital number, since it uses as much as digits as its factorization.

538861153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The square root of 538861153 is about 23213.3830580551. The cubic root of 538861153 is about 813.7524179280.

The spelling of 538861153 in words is "five hundred thirty-eight million, eight hundred sixty-one thousand, one hundred fifty-three".