528494137 has 2 divisors, whose sum is σ = 528494138. Its totient is φ = 528494136.

The previous prime is 528494119. The next prime is 528494143. The reversal of 528494137 is 731494825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 528494121 + 16 = 22989^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 528494137 - 2¹¹ = 528492089 is a prime.

It is equal to p_27775735 and since 528494137 and 27775735 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 = 528494093 and 528494102.

It is not a weakly prime, because it can be changed into another prime (528494237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264247068 + 264247069.

It is an arithmetic number, because the mean of its divisors is an integer number (264247069).

Almost surely, 2^528494137 is an apocalyptic number.

It is an amenable number.

528494137 is a deficient number, since it is larger than the sum of its proper divisors (1).

528494137 is an equidigital number, since it uses as much as digits as its factorization.

528494137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 528494137 is about 22989.0003479925. Note that the first 3 decimals coincide. The cubic root of 528494137 is about 808.5000626588.

The spelling of 528494137 in words is "five hundred twenty-eight million, four hundred ninety-four thousand, one hundred thirty-seven".