60388021 has 2 divisors, whose sum is σ = 60388022. Its totient is φ = 60388020.

The previous prime is 60388019. The next prime is 60388049. The reversal of 60388021 is 12088306.

It is an a-pointer prime, because the next prime (60388049) can be obtained adding 60388021 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46771921 + 13616100 = 6839^2 + 3690^2 .

It is a cyclic number.

It is not a de Polignac number, because 60388021 - 2¹ = 60388019 is a prime.

Together with 60388019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60388421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30194010 + 30194011.

It is an arithmetic number, because the mean of its divisors is an integer number (30194011).

Almost surely, 2^60388021 is an apocalyptic number.

It is an amenable number.

60388021 is a deficient number, since it is larger than the sum of its proper divisors (1).

60388021 is an equidigital number, since it uses as much as digits as its factorization.

60388021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 60388021 is about 7770.9729764039. The cubic root of 60388021 is about 392.3288685589.

The spelling of 60388021 in words is "sixty million, three hundred eighty-eight thousand, twenty-one".