1526230489 has 9 divisors (see below), whose sum is σ = 1775729151. Its totient is φ = 1307963160.

The previous prime is 1526230457. The next prime is 1526230513. The reversal of 1526230489 is 9840326251.

The square root of 1526230489 is 39067.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 480354889 + 1045875600 = 21917^2 + 32340^2 .

It is not a de Polignac number, because 1526230489 - 2⁵ = 1526230457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1526230889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 270679 + ... + 276259.

It is an arithmetic number, because the mean of its divisors is an integer number (197303239).

Almost surely, 2^1526230489 is an apocalyptic number.

1526230489 is the 39067-th square number.

1526230489 is the 19534-th centered octagonal number.

It is an amenable number.

1526230489 is a deficient number, since it is larger than the sum of its proper divisors (249498662).

1526230489 is an frugal number, since it uses more digits than its factorization.

1526230489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11176 (or 5588 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The cubic root of 1526230489 is about 1151.3482583836.

The spelling of 1526230489 in words is "one billion, five hundred twenty-six million, two hundred thirty thousand, four hundred eighty-nine".