528469 has 2 divisors, whose sum is σ = 528470. Its totient is φ = 528468.
The previous prime is 528433. The next prime is 528487. The reversal of 528469 is 964825.
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., 288369 + 240100 = 537^2 + 490^2 .
It is a cyclic number.
It is not a de Polignac number, because 528469 - 215 = 495701 is a prime.
It is a super-2 number, since 2×5284692 = 558558967922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (528419) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264234 + 264235.
It is an arithmetic number, because the mean of its divisors is an integer number (264235).
2528469 is an apocalyptic number.
It is an amenable number.
528469 is a deficient number, since it is larger than the sum of its proper divisors (1).
528469 is an equidigital number, since it uses as much as digits as its factorization.
528469 is an evil number, because the sum of its binary digits is even.
The product of its digits is 17280, while the sum is 34.
The square root of 528469 is about 726.9587333542. The cubic root of 528469 is about 80.8487244107.
The spelling of 528469 in words is "five hundred twenty-eight thousand, four hundred sixty-nine".
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