60202991 has 2 divisors, whose sum is σ = 60202992. Its totient is φ = 60202990.

The previous prime is 60202981. The next prime is 60203057. The reversal of 60202991 is 19920206.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60202991 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 (60202931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30101495 + 30101496.

It is an arithmetic number, because the mean of its divisors is an integer number (30101496).

Almost surely, 2^60202991 is an apocalyptic number.

60202991 is a deficient number, since it is larger than the sum of its proper divisors (1).

60202991 is an equidigital number, since it uses as much as digits as its factorization.

60202991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 60202991 is about 7759.0586413559. The cubic root of 60202991 is about 391.9277576680.

The spelling of 60202991 in words is "sixty million, two hundred two thousand, nine hundred ninety-one".