60445661 has 2 divisors, whose sum is σ = 60445662. Its totient is φ = 60445660.

The previous prime is 60445643. The next prime is 60445673. The reversal of 60445661 is 16654406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60062500 + 383161 = 7750^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 60445661 - 2¹⁸ = 60183517 is a prime.

It is a super-3 number, since 3×60445661³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60445261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30222830 + 30222831.

It is an arithmetic number, because the mean of its divisors is an integer number (30222831).

Almost surely, 2^60445661 is an apocalyptic number.

It is an amenable number.

60445661 is a deficient number, since it is larger than the sum of its proper divisors (1).

60445661 is an equidigital number, since it uses as much as digits as its factorization.

60445661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 60445661 is about 7774.6807651504. The cubic root of 60445661 is about 392.4536540406.

The spelling of 60445661 in words is "sixty million, four hundred forty-five thousand, six hundred sixty-one".