60021541 has 2 divisors, whose sum is σ = 60021542. Its totient is φ = 60021540.

The previous prime is 60021539. The next prime is 60021547. The reversal of 60021541 is 14512006.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60000516 + 21025 = 7746^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 60021541 - 2¹ = 60021539 is a prime.

Together with 60021539, 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 (60021547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30010770 + 30010771.

It is an arithmetic number, because the mean of its divisors is an integer number (30010771).

Almost surely, 2^60021541 is an apocalyptic number.

It is an amenable number.

60021541 is a deficient number, since it is larger than the sum of its proper divisors (1).

60021541 is an equidigital number, since it uses as much as digits as its factorization.

60021541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 60021541 is about 7747.3570332082. The cubic root of 60021541 is about 391.5336086024.

Adding to 60021541 its reverse (14512006), we get a palindrome (74533547).

The spelling of 60021541 in words is "sixty million, twenty-one thousand, five hundred forty-one".