2532578399 has 12 divisors (see below), whose sum is σ = 2768027256. Its totient is φ = 2315899872.

The previous prime is 2532578357. The next prime is 2532578401. The reversal of 2532578399 is 9938752352.

It is a de Polignac number, because none of the positive numbers 2^k-2532578399 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 2532578399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2532571399) 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 11 ways as a sum of consecutive naturals, for example, 51944 + ... + 88109.

It is an arithmetic number, because the mean of its divisors is an integer number (230668938).

Almost surely, 2^2532578399 is an apocalyptic number.

2532578399 is a deficient number, since it is larger than the sum of its proper divisors (235448857).

2532578399 is a wasteful number, since it uses less digits than its factorization.

2532578399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140186 (or 140173 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 53.

The square root of 2532578399 is about 50324.7294975343. The cubic root of 2532578399 is about 1363.0788089734.

The spelling of 2532578399 in words is "two billion, five hundred thirty-two million, five hundred seventy-eight thousand, three hundred ninety-nine".