2520634306 has 8 divisors (see below), whose sum is σ = 3800144700. Its totient is φ = 1253919408.

The previous prime is 2520634283. The next prime is 2520634321. The reversal of 2520634306 is 6034360252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2509108281 + 11526025 = 50091^2 + 3395^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3198381 + ... + 3199168.

Almost surely, 2^2520634306 is an apocalyptic number.

2520634306 is a deficient number, since it is larger than the sum of its proper divisors (1279510394).

2520634306 is a wasteful number, since it uses less digits than its factorization.

2520634306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397748.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 2520634306 is about 50205.9190335164. The cubic root of 2520634306 is about 1360.9325902380.

Adding to 2520634306 its reverse (6034360252), we get a palindrome (8554994558).

The spelling of 2520634306 in words is "two billion, five hundred twenty million, six hundred thirty-four thousand, three hundred six".