1652112561 has 16 divisors (see below), whose sum is σ = 2436922368. Its totient is φ = 987176400.

The previous prime is 1652112551. The next prime is 1652112577.

1652112561 is nontrivially palindromic in base 10.

1652112561 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1652112561 - 2¹⁰ = 1652111537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1652112521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350221 + ... + 354906.

It is an arithmetic number, because the mean of its divisors is an integer number (152307648).

Almost surely, 2^1652112561 is an apocalyptic number.

1652112561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1652112561 is a deficient number, since it is larger than the sum of its proper divisors (784809807).

1652112561 is a wasteful number, since it uses less digits than its factorization.

1652112561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705212.

The product of its digits is 3600, while the sum is 30.

The square root of 1652112561 is about 40646.1875333960. The cubic root of 1652112561 is about 1182.1698466995.

The spelling of 1652112561 in words is "one billion, six hundred fifty-two million, one hundred twelve thousand, five hundred sixty-one".