2530631146 has 8 divisors (see below), whose sum is σ = 3796182180. Its totient is φ = 1265237088.

The previous prime is 2530631137. The next prime is 2530631161. The reversal of 2530631146 is 6411360352.

It can be written as a sum of positive squares in 2 ways, for example, as 1598000625 + 932630521 = 39975^2 + 30539^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17430 + ... + 73246.

Almost surely, 2^2530631146 is an apocalyptic number.

2530631146 is a deficient number, since it is larger than the sum of its proper divisors (1265551034).

2530631146 is a wasteful number, since it uses less digits than its factorization.

2530631146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78488.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2530631146 is about 50305.3788972909. The cubic root of 2530631146 is about 1362.7293706484.

Adding to 2530631146 its reverse (6411360352), we get a palindrome (8941991498).

The spelling of 2530631146 in words is "two billion, five hundred thirty million, six hundred thirty-one thousand, one hundred forty-six".