60725281 has 2 divisors, whose sum is σ = 60725282. Its totient is φ = 60725280.

The previous prime is 60725261. The next prime is 60725299. The reversal of 60725281 is 18252706.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60699681 + 25600 = 7791^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 60725281 - 2⁷ = 60725153 is a prime.

It is a super-2 number, since 2×60725281² = 7375119505057922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60725261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30362640 + 30362641.

It is an arithmetic number, because the mean of its divisors is an integer number (30362641).

Almost surely, 2^60725281 is an apocalyptic number.

60725281 is the 4929-th centered pentagonal number.

It is an amenable number.

60725281 is a deficient number, since it is larger than the sum of its proper divisors (1).

60725281 is an equidigital number, since it uses as much as digits as its factorization.

60725281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 60725281 is about 7792.6427481311. The cubic root of 60725281 is about 393.0578832918.

Adding to 60725281 its reverse (18252706), we get a palindrome (78977987).

The spelling of 60725281 in words is "sixty million, seven hundred twenty-five thousand, two hundred eighty-one".