3565620052 has 24 divisors (see below), whose sum is σ = 6610138920. Its totient is φ = 1677112320.

The previous prime is 3565620041. The next prime is 3565620059. The reversal of 3565620052 is 2500265653.

It can be written as a sum of positive squares in 4 ways, for example, as 641406276 + 2924213776 = 25326^2 + 54076^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3565620059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139224 + ... + 162832.

It is an arithmetic number, because the mean of its divisors is an integer number (275422455).

Almost surely, 2^3565620052 is an apocalyptic number.

It is an amenable number.

3565620052 is a deficient number, since it is larger than the sum of its proper divisors (3044518868).

3565620052 is a wasteful number, since it uses less digits than its factorization.

3565620052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25851 (or 25849 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 3565620052 is about 59712.8131308516. The cubic root of 3565620052 is about 1527.7244216019.

The spelling of 3565620052 in words is "three billion, five hundred sixty-five million, six hundred twenty thousand, fifty-two".