60020861 has 2 divisors, whose sum is σ = 60020862. Its totient is φ = 60020860.

The previous prime is 60020837. The next prime is 60020887. The reversal of 60020861 is 16802006.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52562500 + 7458361 = 7250^2 + 2731^2 .

It is a cyclic number.

It is not a de Polignac number, because 60020861 - 2⁶ = 60020797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60026861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30010430 + 30010431.

It is an arithmetic number, because the mean of its divisors is an integer number (30010431).

Almost surely, 2^60020861 is an apocalyptic number.

It is an amenable number.

60020861 is a deficient number, since it is larger than the sum of its proper divisors (1).

60020861 is an equidigital number, since it uses as much as digits as its factorization.

60020861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 60020861 is about 7747.3131471498. The cubic root of 60020861 is about 391.5321300007.

Adding to 60020861 its reverse (16802006), we get a palindrome (76822867).

The spelling of 60020861 in words is "sixty million, twenty thousand, eight hundred sixty-one".