1652535561 has 8 divisors (see below), whose sum is σ = 2229927840. Its totient is φ = 1088416832.

The previous prime is 1652535559. The next prime is 1652535571. The reversal of 1652535561 is 1655352561.

1652535561 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1652535561 - 2¹ = 1652535559 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1652535571) 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, 3318096 + ... + 3318593.

It is an arithmetic number, because the mean of its divisors is an integer number (278740980).

Almost surely, 2^1652535561 is an apocalyptic number.

It is an amenable number.

1652535561 is a deficient number, since it is larger than the sum of its proper divisors (577392279).

1652535561 is an equidigital number, since it uses as much as digits as its factorization.

1652535561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636775.

The product of its digits is 135000, while the sum is 39.

The square root of 1652535561 is about 40651.3906404197. The cubic root of 1652535561 is about 1182.2707307000.

The spelling of 1652535561 in words is "one billion, six hundred fifty-two million, five hundred thirty-five thousand, five hundred sixty-one".