60112781 has 2 divisors, whose sum is σ = 60112782. Its totient is φ = 60112780.

The previous prime is 60112771. The next prime is 60112817. The reversal of 60112781 is 18721106.

Together with next prime (60112817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53787556 + 6325225 = 7334^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 60112781 - 2²² = 55918477 is a prime.

It is a super-2 number, since 2×60112781² = 7227092879107922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 60112781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60112771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30056390 + 30056391.

It is an arithmetic number, because the mean of its divisors is an integer number (30056391).

Almost surely, 2^60112781 is an apocalyptic number.

It is an amenable number.

60112781 is a deficient number, since it is larger than the sum of its proper divisors (1).

60112781 is an equidigital number, since it uses as much as digits as its factorization.

60112781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 60112781 is about 7753.2432568571. The cubic root of 60112781 is about 391.7319009697.

Adding to 60112781 its reverse (18721106), we get a palindrome (78833887).

The spelling of 60112781 in words is "sixty million, one hundred twelve thousand, seven hundred eighty-one".