1485504653 has 4 divisors (see below), whose sum is σ = 1485612828. Its totient is φ = 1485396480.

The previous prime is 1485504623. The next prime is 1485504677. The reversal of 1485504653 is 3564055841.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3564055841 = 233 ⋅15296377.

It can be written as a sum of positive squares in 2 ways, for example, as 182439049 + 1303065604 = 13507^2 + 36098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485504653 - 2⁶ = 1485504589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1485504653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485504623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29876 + ... + 62157.

It is an arithmetic number, because the mean of its divisors is an integer number (371403207).

Almost surely, 2^1485504653 is an apocalyptic number.

It is an amenable number.

1485504653 is a deficient number, since it is larger than the sum of its proper divisors (108175).

1485504653 is an equidigital number, since it uses as much as digits as its factorization.

1485504653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108174.

The product of its (nonzero) digits is 288000, while the sum is 41.

The square root of 1485504653 is about 38542.2450435882. The cubic root of 1485504653 is about 1141.0149607206.

The spelling of 1485504653 in words is "one billion, four hundred eighty-five million, five hundred four thousand, six hundred fifty-three".