2125613534 has 12 divisors (see below), whose sum is σ = 3504627672. Its totient is φ = 966187860.

The previous prime is 2125613533. The next prime is 2125613537. The reversal of 2125613534 is 4353165212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2125613534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125613531) 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 5 ways as a sum of consecutive naturals, for example, 4391522 + ... + 4392005.

It is an arithmetic number, because the mean of its divisors is an integer number (292052306).

Almost surely, 2^2125613534 is an apocalyptic number.

2125613534 is a deficient number, since it is larger than the sum of its proper divisors (1379014138).

2125613534 is a wasteful number, since it uses less digits than its factorization.

2125613534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8783551 (or 8783540 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 2125613534 is about 46104.3765167690. The cubic root of 2125613534 is about 1285.7645142999.

Adding to 2125613534 its reverse (4353165212), we get a palindrome (6478778746).

The spelling of 2125613534 in words is "two billion, one hundred twenty-five million, six hundred thirteen thousand, five hundred thirty-four".