535615645 has 16 divisors (see below), whose sum is σ = 671022000. Its totient is φ = 409909248.

The previous prime is 535615637. The next prime is 535615649. The reversal of 535615645 is 546516535.

It can be written as a sum of positive squares in 8 ways, for example, as 55041561 + 480574084 = 7419^2 + 21922^2 .

It is a cyclic number.

It is not a de Polignac number, because 535615645 - 2³ = 535615637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 535615598 and 535615607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535615649) 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 15 ways as a sum of consecutive naturals, for example, 1140 + ... + 32749.

It is an arithmetic number, because the mean of its divisors is an integer number (41938875).

Almost surely, 2^535615645 is an apocalyptic number.

It is an amenable number.

535615645 is a deficient number, since it is larger than the sum of its proper divisors (135406355).

535615645 is a wasteful number, since it uses less digits than its factorization.

535615645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34032.

The product of its digits is 270000, while the sum is 40.

The square root of 535615645 is about 23143.3715132433. The cubic root of 535615645 is about 812.1154099389.

The spelling of 535615645 in words is "five hundred thirty-five million, six hundred fifteen thousand, six hundred forty-five".