2573645141 has 4 divisors (see below), whose sum is σ = 2656665984. Its totient is φ = 2490624300.

The previous prime is 2573645131. The next prime is 2573645161. The reversal of 2573645141 is 1415463752.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2573645141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2573645095 and 2573645104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573645131) 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, 41510375 + ... + 41510436.

It is an arithmetic number, because the mean of its divisors is an integer number (664166496).

Almost surely, 2^2573645141 is an apocalyptic number.

It is an amenable number.

2573645141 is a deficient number, since it is larger than the sum of its proper divisors (83020843).

2573645141 is an equidigital number, since it uses as much as digits as its factorization.

2573645141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83020842.

The product of its digits is 100800, while the sum is 38.

The square root of 2573645141 is about 50731.1062465624. The cubic root of 2573645141 is about 1370.4069583275.

The spelling of 2573645141 in words is "two billion, five hundred seventy-three million, six hundred forty-five thousand, one hundred forty-one".