60860521 has 2 divisors, whose sum is σ = 60860522. Its totient is φ = 60860520.

The previous prime is 60860509. The next prime is 60860539. The reversal of 60860521 is 12506806.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40960000 + 19900521 = 6400^2 + 4461^2 .

It is a cyclic number.

It is not a de Polignac number, because 60860521 - 2⁵ = 60860489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60860521.

It is not a weakly prime, because it can be changed into another prime (60860551) 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 as a sum of consecutive naturals, namely, 30430260 + 30430261.

It is an arithmetic number, because the mean of its divisors is an integer number (30430261).

Almost surely, 2^60860521 is an apocalyptic number.

It is an amenable number.

60860521 is a deficient number, since it is larger than the sum of its proper divisors (1).

60860521 is an equidigital number, since it uses as much as digits as its factorization.

60860521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 60860521 is about 7801.3153378132. The cubic root of 60860521 is about 393.3494572694.

The spelling of 60860521 in words is "sixty million, eight hundred sixty thousand, five hundred twenty-one".