528142973 has 2 divisors, whose sum is σ = 528142974. Its totient is φ = 528142972.

The previous prime is 528142969. The next prime is 528143051. The reversal of 528142973 is 379241825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521802649 + 6340324 = 22843^2 + 2518^2 .

It is a cyclic number.

It is not a de Polignac number, because 528142973 - 2² = 528142969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 528142973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528142673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264071486 + 264071487.

It is an arithmetic number, because the mean of its divisors is an integer number (264071487).

Almost surely, 2^528142973 is an apocalyptic number.

It is an amenable number.

528142973 is a deficient number, since it is larger than the sum of its proper divisors (1).

528142973 is an equidigital number, since it uses as much as digits as its factorization.

528142973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 528142973 is about 22981.3614261645. The cubic root of 528142973 is about 808.3209505974.

The spelling of 528142973 in words is "five hundred twenty-eight million, one hundred forty-two thousand, nine hundred seventy-three".