528407401 has 2 divisors, whose sum is σ = 528407402. Its totient is φ = 528407400.

The previous prime is 528407393. The next prime is 528407441. The reversal of 528407401 is 104704825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471932176 + 56475225 = 21724^2 + 7515^2 .

It is a cyclic number.

It is not a de Polignac number, because 528407401 - 2³ = 528407393 is a prime.

It is equal to p_27771403 and since 528407401 and 27771403 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (528407441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264203700 + 264203701.

It is an arithmetic number, because the mean of its divisors is an integer number (264203701).

Almost surely, 2^528407401 is an apocalyptic number.

It is an amenable number.

528407401 is a deficient number, since it is larger than the sum of its proper divisors (1).

528407401 is an equidigital number, since it uses as much as digits as its factorization.

528407401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 528407401 is about 22987.1138031724. The cubic root of 528407401 is about 808.4558301289.

The spelling of 528407401 in words is "five hundred twenty-eight million, four hundred seven thousand, four hundred one".