60820321 has 4 divisors (see below), whose sum is σ = 61138944. Its totient is φ = 60501700.

The previous prime is 60820313. The next prime is 60820363. The reversal of 60820321 is 12302806.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60820321 - 2³ = 60820313 is a prime.

It is a super-2 number, since 2×60820321² = 7398222893086082, 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 = 60820292 and 60820301.

It is not an unprimeable number, because it can be changed into a prime (60820421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159025 + ... + 159406.

It is an arithmetic number, because the mean of its divisors is an integer number (15284736).

Almost surely, 2^60820321 is an apocalyptic number.

It is an amenable number.

60820321 is a deficient number, since it is larger than the sum of its proper divisors (318623).

60820321 is a wasteful number, since it uses less digits than its factorization.

60820321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318622.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 60820321 is about 7798.7384236170. The cubic root of 60820321 is about 393.2628322523.

The spelling of 60820321 in words is "sixty million, eight hundred twenty thousand, three hundred twenty-one".