60621217 has 4 divisors (see below), whose sum is σ = 61246276. Its totient is φ = 59996160.

The previous prime is 60621199. The next prime is 60621221. The reversal of 60621217 is 71212606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40335201 + 20286016 = 6351^2 + 4504^2 .

It is a cyclic number.

It is not a de Polignac number, because 60621217 - 2¹⁵ = 60588449 is a prime.

It is a super-2 number, since 2×60621217² = 7349863901122178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60621191 and 60621200.

It is not an unprimeable number, because it can be changed into a prime (60621227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312384 + ... + 312577.

It is an arithmetic number, because the mean of its divisors is an integer number (15311569).

Almost surely, 2^60621217 is an apocalyptic number.

It is an amenable number.

60621217 is a deficient number, since it is larger than the sum of its proper divisors (625059).

60621217 is an equidigital number, since it uses as much as digits as its factorization.

60621217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625058.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 60621217 is about 7785.9628177895. The cubic root of 60621217 is about 392.8332291213.

The spelling of 60621217 in words is "sixty million, six hundred twenty-one thousand, two hundred seventeen".