528390077 has 2 divisors, whose sum is σ = 528390078. Its totient is φ = 528390076.

The previous prime is 528390061. The next prime is 528390097. The reversal of 528390077 is 770093825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309971236 + 218418841 = 17606^2 + 14779^2 .

It is a cyclic number.

It is not a de Polignac number, because 528390077 - 2⁴ = 528390061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528390097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264195038 + 264195039.

It is an arithmetic number, because the mean of its divisors is an integer number (264195039).

Almost surely, 2^528390077 is an apocalyptic number.

It is an amenable number.

528390077 is a deficient number, since it is larger than the sum of its proper divisors (1).

528390077 is an equidigital number, since it uses as much as digits as its factorization.

528390077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 528390077 is about 22986.7369802676. The cubic root of 528390077 is about 808.4469948743.

The spelling of 528390077 in words is "five hundred twenty-eight million, three hundred ninety thousand, seventy-seven".