2531604634 has 8 divisors (see below), whose sum is σ = 4089515220. Its totient is φ = 1168432896.

The previous prime is 2531604577. The next prime is 2531604643. The reversal of 2531604634 is 4364061352.

2531604634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2515323409 + 16281225 = 50153^2 + 4035^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2531604634.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48684679 + ... + 48684730.

Almost surely, 2^2531604634 is an apocalyptic number.

2531604634 is a deficient number, since it is larger than the sum of its proper divisors (1557910586).

2531604634 is a wasteful number, since it uses less digits than its factorization.

2531604634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97369424.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2531604634 is about 50315.0537513377. The cubic root of 2531604634 is about 1362.9040873552.

Adding to 2531604634 its reverse (4364061352), we get a palindrome (6895665986).

The spelling of 2531604634 in words is "two billion, five hundred thirty-one million, six hundred four thousand, six hundred thirty-four".