1427528873 has 2 divisors, whose sum is σ = 1427528874. Its totient is φ = 1427528872.

The previous prime is 1427528863. The next prime is 1427528891. The reversal of 1427528873 is 3788257241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1417371904 + 10156969 = 37648^2 + 3187^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427528873 - 2¹⁶ = 1427463337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427528803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713764436 + 713764437.

It is an arithmetic number, because the mean of its divisors is an integer number (713764437).

Almost surely, 2^1427528873 is an apocalyptic number.

It is an amenable number.

1427528873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427528873 is an equidigital number, since it uses as much as digits as its factorization.

1427528873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 47.

The square root of 1427528873 is about 37782.6530698944. The cubic root of 1427528873 is about 1125.9738393681.

The spelling of 1427528873 in words is "one billion, four hundred twenty-seven million, five hundred twenty-eight thousand, eight hundred seventy-three".