60942521 has 2 divisors, whose sum is σ = 60942522. Its totient is φ = 60942520.

The previous prime is 60942509. The next prime is 60942529. The reversal of 60942521 is 12524906.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35581225 + 25361296 = 5965^2 + 5036^2 .

It is a cyclic number.

It is not a de Polignac number, because 60942521 - 2¹⁸ = 60680377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60942529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30471260 + 30471261.

It is an arithmetic number, because the mean of its divisors is an integer number (30471261).

Almost surely, 2^60942521 is an apocalyptic number.

It is an amenable number.

60942521 is a deficient number, since it is larger than the sum of its proper divisors (1).

60942521 is an equidigital number, since it uses as much as digits as its factorization.

60942521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 60942521 is about 7806.5690927577. The cubic root of 60942521 is about 393.5260368745.

The spelling of 60942521 in words is "sixty million, nine hundred forty-two thousand, five hundred twenty-one".