1061506065 has 8 divisors (see below), whose sum is σ = 1698409728. Its totient is φ = 566136560.

The previous prime is 1061506037. The next prime is 1061506073. The reversal of 1061506065 is 5606051601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1061506065 - 2⁹ = 1061505553 is a prime.

It is a super-2 number, since 2×1061506065² = 2253590252063568450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35383521 + ... + 35383550.

It is an arithmetic number, because the mean of its divisors is an integer number (212301216).

Almost surely, 2^1061506065 is an apocalyptic number.

1061506065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1061506065 is a deficient number, since it is larger than the sum of its proper divisors (636903663).

1061506065 is an equidigital number, since it uses as much as digits as its factorization.

1061506065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70767079.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1061506065 is about 32580.7621918211. The cubic root of 1061506065 is about 1020.0954879848.

Adding to 1061506065 its reverse (5606051601), we get a palindrome (6667557666).

The spelling of 1061506065 in words is "one billion, sixty-one million, five hundred six thousand, sixty-five".