60320621 has 2 divisors, whose sum is σ = 60320622. Its totient is φ = 60320620.

The previous prime is 60320581. The next prime is 60320629. The reversal of 60320621 is 12602306.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41744521 + 18576100 = 6461^2 + 4310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60320621 is a prime.

It is a Chen prime.

It is equal to p_3580013 and since 60320621 and 3580013 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 60320593 and 60320602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60320629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30160310 + 30160311.

It is an arithmetic number, because the mean of its divisors is an integer number (30160311).

Almost surely, 2^60320621 is an apocalyptic number.

It is an amenable number.

60320621 is a deficient number, since it is larger than the sum of its proper divisors (1).

60320621 is an equidigital number, since it uses as much as digits as its factorization.

60320621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 60320621 is about 7766.6351143851. The cubic root of 60320621 is about 392.1828527917.

Adding to 60320621 its reverse (12602306), we get a palindrome (72922927).

The spelling of 60320621 in words is "sixty million, three hundred twenty thousand, six hundred twenty-one".