1652541673 has 4 divisors (see below), whose sum is σ = 1652665600. Its totient is φ = 1652417748.

The previous prime is 1652541647. The next prime is 1652541677. The reversal of 1652541673 is 3761452561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3761452561 = 67 ⋅56141083.

It is a cyclic number.

It is not a de Polignac number, because 1652541673 - 2⁵ = 1652541641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1652541677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39165 + ... + 69562.

It is an arithmetic number, because the mean of its divisors is an integer number (413166400).

Almost surely, 2^1652541673 is an apocalyptic number.

It is an amenable number.

1652541673 is a deficient number, since it is larger than the sum of its proper divisors (123927).

1652541673 is a wasteful number, since it uses less digits than its factorization.

1652541673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123926.

The product of its digits is 151200, while the sum is 40.

The square root of 1652541673 is about 40651.4658161302. The cubic root of 1652541673 is about 1182.2721882642.

The spelling of 1652541673 in words is "one billion, six hundred fifty-two million, five hundred forty-one thousand, six hundred seventy-three".