2531634385 has 32 divisors (see below), whose sum is σ = 3658521600. Its totient is φ = 1642887360.

The previous prime is 2531634359. The next prime is 2531634397. The reversal of 2531634385 is 5834361352.

It is not a de Polignac number, because 2531634385 - 2⁵ = 2531634353 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1048830 + ... + 1051240.

It is an arithmetic number, because the mean of its divisors is an integer number (114328800).

Almost surely, 2^2531634385 is an apocalyptic number.

It is an amenable number.

2531634385 is a deficient number, since it is larger than the sum of its proper divisors (1126887215).

2531634385 is a wasteful number, since it uses less digits than its factorization.

2531634385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021.

The product of its digits is 259200, while the sum is 40.

The square root of 2531634385 is about 50315.3493975745. The cubic root of 2531634385 is about 1362.9094262089.

The spelling of 2531634385 in words is "two billion, five hundred thirty-one million, six hundred thirty-four thousand, three hundred eighty-five".