62368981 has 2 divisors, whose sum is σ = 62368982. Its totient is φ = 62368980.

The previous prime is 62368967. The next prime is 62368987. The reversal of 62368981 is 18986326.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49702500 + 12666481 = 7050^2 + 3559^2 .

It is a cyclic number.

It is not a de Polignac number, because 62368981 - 2¹¹ = 62366933 is a prime.

It is a super-2 number, since 2×62368981² = 7779779581956722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62368987) by changing a digit.

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 as a sum of consecutive naturals, namely, 31184490 + 31184491.

It is an arithmetic number, because the mean of its divisors is an integer number (31184491).

Almost surely, 2^62368981 is an apocalyptic number.

It is an amenable number.

62368981 is a deficient number, since it is larger than the sum of its proper divisors (1).

62368981 is an equidigital number, since it uses as much as digits as its factorization.

62368981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 62368981 is about 7897.4034340408. The cubic root of 62368981 is about 396.5727627287.

The spelling of 62368981 in words is "sixty-two million, three hundred sixty-eight thousand, nine hundred eighty-one".