7630813 has 2 divisors, whose sum is σ = 7630814. Its totient is φ = 7630812.

The previous prime is 7630811. The next prime is 7630817. The reversal of 7630813 is 3180367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4401604 + 3229209 = 2098^2 + 1797^2 .

It is a cyclic number.

It is not a de Polignac number, because 7630813 - 2¹ = 7630811 is a prime.

It is a super-3 number, since 3×7630813³ (a number of 22 digits) contains 333 as substring.

Together with 7630811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7630811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3815406 + 3815407.

It is an arithmetic number, because the mean of its divisors is an integer number (3815407).

Almost surely, 2^7630813 is an apocalyptic number.

It is an amenable number.

7630813 is a deficient number, since it is larger than the sum of its proper divisors (1).

7630813 is an equidigital number, since it uses as much as digits as its factorization.

7630813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 7630813 is about 2762.3926223475. The cubic root of 7630813 is about 196.8748636263.

The spelling of 7630813 in words is "seven million, six hundred thirty thousand, eight hundred thirteen".