60411781 has 2 divisors, whose sum is σ = 60411782. Its totient is φ = 60411780.

The previous prime is 60411733. The next prime is 60411877. The reversal of 60411781 is 18711406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60062500 + 349281 = 7750^2 + 591^2 .

It is a cyclic number.

It is not a de Polignac number, because 60411781 - 2¹⁵ = 60379013 is a prime.

It is a super-2 number, since 2×60411781² = 7299166567183922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60411181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30205890 + 30205891.

It is an arithmetic number, because the mean of its divisors is an integer number (30205891).

Almost surely, 2^60411781 is an apocalyptic number.

It is an amenable number.

60411781 is a deficient number, since it is larger than the sum of its proper divisors (1).

60411781 is an equidigital number, since it uses as much as digits as its factorization.

60411781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 60411781 is about 7772.5015921517. The cubic root of 60411781 is about 392.3803164646.

The spelling of 60411781 in words is "sixty million, four hundred eleven thousand, seven hundred eighty-one".