1062065645 has 4 divisors (see below), whose sum is σ = 1274478780. Its totient is φ = 849652512.

The previous prime is 1062065617. The next prime is 1062065647. The reversal of 1062065645 is 5465602601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5465602601 = 4253 ⋅1285117.

It can be written as a sum of positive squares in 2 ways, for example, as 498762889 + 563302756 = 22333^2 + 23734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1062065645 is a prime.

It is a super-3 number, since 3×1062065645³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1062065647) 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, 106206560 + ... + 106206569.

It is an arithmetic number, because the mean of its divisors is an integer number (318619695).

Almost surely, 2^1062065645 is an apocalyptic number.

It is an amenable number.

1062065645 is a deficient number, since it is larger than the sum of its proper divisors (212413135).

1062065645 is an equidigital number, since it uses as much as digits as its factorization.

1062065645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212413134.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1062065645 is about 32589.3486433835. The cubic root of 1062065645 is about 1020.2747065425.

The spelling of 1062065645 in words is "one billion, sixty-two million, sixty-five thousand, six hundred forty-five".