60610021 has 2 divisors, whose sum is σ = 60610022. Its totient is φ = 60610020.

The previous prime is 60610001. The next prime is 60610063. The reversal of 60610021 is 12001606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42640900 + 17969121 = 6530^2 + 4239^2 .

It is a cyclic number.

It is not a de Polignac number, because 60610021 - 2⁷ = 60609893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 60609977 and 60610004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60610001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30305010 + 30305011.

It is an arithmetic number, because the mean of its divisors is an integer number (30305011).

Almost surely, 2^60610021 is an apocalyptic number.

It is an amenable number.

60610021 is a deficient number, since it is larger than the sum of its proper divisors (1).

60610021 is an equidigital number, since it uses as much as digits as its factorization.

60610021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 60610021 is about 7785.2437983662. The cubic root of 60610021 is about 392.8090437957.

Adding to 60610021 its reverse (12001606), we get a palindrome (72611627).

The spelling of 60610021 in words is "sixty million, six hundred ten thousand, twenty-one".