62630681 has 2 divisors, whose sum is σ = 62630682. Its totient is φ = 62630680.

The previous prime is 62630663. The next prime is 62630719. The reversal of 62630681 is 18603626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62552281 + 78400 = 7909^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 62630681 - 2¹⁴ = 62614297 is a prime.

It is a super-3 number, since 3×62630681³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (62630611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31315340 + 31315341.

It is an arithmetic number, because the mean of its divisors is an integer number (31315341).

Almost surely, 2^62630681 is an apocalyptic number.

It is an amenable number.

62630681 is a deficient number, since it is larger than the sum of its proper divisors (1).

62630681 is an equidigital number, since it uses as much as digits as its factorization.

62630681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 62630681 is about 7913.9548267601. The cubic root of 62630681 is about 397.1266613172.

The spelling of 62630681 in words is "sixty-two million, six hundred thirty thousand, six hundred eighty-one".