2575633385 has 16 divisors (see below), whose sum is σ = 3336234384. Its totient is φ = 1897592832.

The previous prime is 2575633367. The next prime is 2575633387. The reversal of 2575633385 is 5833365752.

It can be written as a sum of positive squares in 8 ways, for example, as 1238195344 + 1337438041 = 35188^2 + 36571^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575633385 - 2¹⁶ = 2575567849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2575633387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17612 + ... + 73901.

It is an arithmetic number, because the mean of its divisors is an integer number (208514649).

Almost surely, 2^2575633385 is an apocalyptic number.

It is an amenable number.

2575633385 is a deficient number, since it is larger than the sum of its proper divisors (760600999).

2575633385 is a wasteful number, since it uses less digits than its factorization.

2575633385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91964.

The product of its digits is 2268000, while the sum is 47.

The square root of 2575633385 is about 50750.6983695791. The cubic root of 2575633385 is about 1370.7597655868.

The spelling of 2575633385 in words is "two billion, five hundred seventy-five million, six hundred thirty-three thousand, three hundred eighty-five".