60415921 has 2 divisors, whose sum is σ = 60415922. Its totient is φ = 60415920.

The previous prime is 60415913. The next prime is 60415967. The reversal of 60415921 is 12951406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46991025 + 13424896 = 6855^2 + 3664^2 .

It is a cyclic number.

It is not a de Polignac number, because 60415921 - 2³ = 60415913 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60415921.

It is not a weakly prime, because it can be changed into another prime (60415021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30207960 + 30207961.

It is an arithmetic number, because the mean of its divisors is an integer number (30207961).

Almost surely, 2^60415921 is an apocalyptic number.

It is an amenable number.

60415921 is a deficient number, since it is larger than the sum of its proper divisors (1).

60415921 is an equidigital number, since it uses as much as digits as its factorization.

60415921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 60415921 is about 7772.7679111112. The cubic root of 60415921 is about 392.3892794923.

The spelling of 60415921 in words is "sixty million, four hundred fifteen thousand, nine hundred twenty-one".