58616861 has 2 divisors, whose sum is σ = 58616862. Its totient is φ = 58616860.

The previous prime is 58616837. The next prime is 58616863. The reversal of 58616861 is 16861685.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57851236 + 765625 = 7606^2 + 875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58616861 is a prime.

Together with 58616863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58616863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29308430 + 29308431.

It is an arithmetic number, because the mean of its divisors is an integer number (29308431).

Almost surely, 2^58616861 is an apocalyptic number.

It is an amenable number.

58616861 is a deficient number, since it is larger than the sum of its proper divisors (1).

58616861 is an equidigital number, since it uses as much as digits as its factorization.

58616861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The square root of 58616861 is about 7656.1649015679. The cubic root of 58616861 is about 388.4551223099.

The spelling of 58616861 in words is "fifty-eight million, six hundred sixteen thousand, eight hundred sixty-one".