62828281 has 2 divisors, whose sum is σ = 62828282. Its totient is φ = 62828280.

The previous prime is 62828263. The next prime is 62828291. The reversal of 62828281 is 18282826.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59907600 + 2920681 = 7740^2 + 1709^2 .

It is a cyclic number.

It is not a de Polignac number, because 62828281 - 2⁹ = 62827769 is a prime.

It is a super-2 number, since 2×62828281² = 7894785786829922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 62828281.

It is not a weakly prime, because it can be changed into another prime (62828251) by changing a digit.

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 as a sum of consecutive naturals, namely, 31414140 + 31414141.

It is an arithmetic number, because the mean of its divisors is an integer number (31414141).

Almost surely, 2^62828281 is an apocalyptic number.

It is an amenable number.

62828281 is a deficient number, since it is larger than the sum of its proper divisors (1).

62828281 is an equidigital number, since it uses as much as digits as its factorization.

62828281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24576, while the sum is 37.

The square root of 62828281 is about 7926.4292717465. The cubic root of 62828281 is about 397.5438681593.

The spelling of 62828281 in words is "sixty-two million, eight hundred twenty-eight thousand, two hundred eighty-one".