60620281 has 2 divisors, whose sum is σ = 60620282. Its totient is φ = 60620280.

The previous prime is 60620269. The next prime is 60620291. The reversal of 60620281 is 18202606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58660281 + 1960000 = 7659^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 60620281 - 2²⁵ = 27065849 is a prime.

It is a super-2 number, since 2×60620281² = 7349636937037922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60620201) 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, 30310140 + 30310141.

It is an arithmetic number, because the mean of its divisors is an integer number (30310141).

Almost surely, 2^60620281 is an apocalyptic number.

It is an amenable number.

60620281 is a deficient number, since it is larger than the sum of its proper divisors (1).

60620281 is an equidigital number, since it uses as much as digits as its factorization.

60620281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 60620281 is about 7785.9027093844. The cubic root of 60620281 is about 392.8312073111.

Adding to 60620281 its reverse (18202606), we get a palindrome (78822887).

The spelling of 60620281 in words is "sixty million, six hundred twenty thousand, two hundred eighty-one".