60445991 has 2 divisors, whose sum is σ = 60445992. Its totient is φ = 60445990.

The previous prime is 60445963. The next prime is 60446069. The reversal of 60445991 is 19954406.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60445991 - 2⁶ = 60445927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60445951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30222995 + 30222996.

It is an arithmetic number, because the mean of its divisors is an integer number (30222996).

Almost surely, 2^60445991 is an apocalyptic number.

60445991 is a deficient number, since it is larger than the sum of its proper divisors (1).

60445991 is an equidigital number, since it uses as much as digits as its factorization.

60445991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 60445991 is about 7774.7019878578. The cubic root of 60445991 is about 392.4543682329.

It can be divided in two parts, 60445 and 991, that multiplied together give a palindrome (59900995).

The spelling of 60445991 in words is "sixty million, four hundred forty-five thousand, nine hundred ninety-one".