1036505645 has 16 divisors (see below), whose sum is σ = 1422835200. Its totient is φ = 710075904.

The previous prime is 1036505633. The next prime is 1036505663. The reversal of 1036505645 is 5465056301.

It is a cyclic number.

It is not a de Polignac number, because 1036505645 - 2⁸ = 1036505389 is a prime.

It is a super-3 number, since 3×1036505645³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25181 + ... + 52029.

It is an arithmetic number, because the mean of its divisors is an integer number (88927200).

Almost surely, 2^1036505645 is an apocalyptic number.

It is an amenable number.

1036505645 is a deficient number, since it is larger than the sum of its proper divisors (386329555).

1036505645 is a wasteful number, since it uses less digits than its factorization.

1036505645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27964.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 1036505645 is about 32194.8077335461. The cubic root of 1036505645 is about 1012.0234066488.

The spelling of 1036505645 in words is "one billion, thirty-six million, five hundred five thousand, six hundred forty-five".