528540403 has 2 divisors, whose sum is σ = 528540404. Its totient is φ = 528540402.

The previous prime is 528540379. The next prime is 528540407. The reversal of 528540403 is 304045825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 528540403 - 2¹³ = 528532211 is a prime.

It is not a weakly prime, because it can be changed into another prime (528540407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264270201 + 264270202.

It is an arithmetic number, because the mean of its divisors is an integer number (264270202).

Almost surely, 2^528540403 is an apocalyptic number.

528540403 is a deficient number, since it is larger than the sum of its proper divisors (1).

528540403 is an equidigital number, since it uses as much as digits as its factorization.

528540403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 528540403 is about 22990.0065898207. The cubic root of 528540403 is about 808.5236548300.

The spelling of 528540403 in words is "five hundred twenty-eight million, five hundred forty thousand, four hundred three".