1059489481 has 4 divisors (see below), whose sum is σ = 1059714964. Its totient is φ = 1059264000.

The previous prime is 1059489479. The next prime is 1059489539. The reversal of 1059489481 is 1849849501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 752679225 + 306810256 = 27435^2 + 17516^2 .

It is a cyclic number.

It is not a de Polignac number, because 1059489481 - 2¹ = 1059489479 is a prime.

It is a super-2 number, since 2×1059489481² = 2245035920699298722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1059489401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105540 + ... + 115141.

It is an arithmetic number, because the mean of its divisors is an integer number (264928741).

Almost surely, 2^1059489481 is an apocalyptic number.

It is an amenable number.

1059489481 is a deficient number, since it is larger than the sum of its proper divisors (225483).

1059489481 is an equidigital number, since it uses as much as digits as its factorization.

1059489481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225482.

The product of its (nonzero) digits is 414720, while the sum is 49.

The square root of 1059489481 is about 32549.8000147466. The cubic root of 1059489481 is about 1019.4491069168.

The spelling of 1059489481 in words is "one billion, fifty-nine million, four hundred eighty-nine thousand, four hundred eighty-one".