1532170889 has 2 divisors, whose sum is σ = 1532170890. Its totient is φ = 1532170888.

The previous prime is 1532170879. The next prime is 1532170903. The reversal of 1532170889 is 9880712351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1463827600 + 68343289 = 38260^2 + 8267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1532170889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1532170859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766085444 + 766085445.

It is an arithmetic number, because the mean of its divisors is an integer number (766085445).

Almost surely, 2^1532170889 is an apocalyptic number.

It is an amenable number.

1532170889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1532170889 is an equidigital number, since it uses as much as digits as its factorization.

1532170889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 1532170889 is about 39142.9545256870. The cubic root of 1532170889 is about 1152.8400852178.

The spelling of 1532170889 in words is "one billion, five hundred thirty-two million, one hundred seventy thousand, eight hundred eighty-nine".