1573072653 has 4 divisors (see below), whose sum is σ = 2097430208. Its totient is φ = 1048715100.

The previous prime is 1573072621. The next prime is 1573072667. The reversal of 1573072653 is 3562703751.

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: 3562703751 = 3 ⋅1187567917.

It is not a de Polignac number, because 1573072653 - 2⁵ = 1573072621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1573073653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262178773 + ... + 262178778.

It is an arithmetic number, because the mean of its divisors is an integer number (524357552).

Almost surely, 2^1573072653 is an apocalyptic number.

It is an amenable number.

1573072653 is a deficient number, since it is larger than the sum of its proper divisors (524357555).

1573072653 is an equidigital number, since it uses as much as digits as its factorization.

1573072653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524357554.

The product of its (nonzero) digits is 132300, while the sum is 39.

The square root of 1573072653 is about 39661.9799430134. The cubic root of 1573072653 is about 1163.0086023318.

The spelling of 1573072653 in words is "one billion, five hundred seventy-three million, seventy-two thousand, six hundred fifty-three".