528390097 has 2 divisors, whose sum is σ = 528390098. Its totient is φ = 528390096.

The previous prime is 528390077. The next prime is 528390101. The reversal of 528390097 is 790093825.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450967696 + 77422401 = 21236^2 + 8799^2 .

It is a cyclic number.

It is not a de Polignac number, because 528390097 - 2¹⁵ = 528357329 is a prime.

It is not a weakly prime, because it can be changed into another prime (528390077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264195048 + 264195049.

It is an arithmetic number, because the mean of its divisors is an integer number (264195049).

Almost surely, 2^528390097 is an apocalyptic number.

It is an amenable number.

528390097 is a deficient number, since it is larger than the sum of its proper divisors (1).

528390097 is an equidigital number, since it uses as much as digits as its factorization.

528390097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 528390097 is about 22986.7374153010. The cubic root of 528390097 is about 808.4470050744.

It can be divided in two parts, 528 and 390097, that added together give a 8-th power (390625 = 5⁸).

The spelling of 528390097 in words is "five hundred twenty-eight million, three hundred ninety thousand, ninety-seven".