2575136645 has 8 divisors (see below), whose sum is σ = 3097336320. Its totient is φ = 2055327760.

The previous prime is 2575136623. The next prime is 2575136647. The reversal of 2575136645 is 5466315752.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2575136645 - 2¹⁸ = 2574874501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2575136596 and 2575136605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575136647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595325 + ... + 599634.

It is an arithmetic number, because the mean of its divisors is an integer number (387167040).

Almost surely, 2^2575136645 is an apocalyptic number.

It is an amenable number.

2575136645 is a deficient number, since it is larger than the sum of its proper divisors (522199675).

2575136645 is a wasteful number, since it uses less digits than its factorization.

2575136645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195395.

The product of its digits is 756000, while the sum is 44.

The square root of 2575136645 is about 50745.8042107917. The cubic root of 2575136645 is about 1370.6716377515.

The spelling of 2575136645 in words is "two billion, five hundred seventy-five million, one hundred thirty-six thousand, six hundred forty-five".