58421617 has 2 divisors, whose sum is σ = 58421618. Its totient is φ = 58421616.

The previous prime is 58421603. The next prime is 58421621. The reversal of 58421617 is 71612485.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57775201 + 646416 = 7601^2 + 804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58421617 is a prime.

It is not a weakly prime, because it can be changed into another prime (58421687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29210808 + 29210809.

It is an arithmetic number, because the mean of its divisors is an integer number (29210809).

Almost surely, 2^58421617 is an apocalyptic number.

It is an amenable number.

58421617 is a deficient number, since it is larger than the sum of its proper divisors (1).

58421617 is an equidigital number, since it uses as much as digits as its factorization.

58421617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 34.

The square root of 58421617 is about 7643.4034958257. The cubic root of 58421617 is about 388.0233472506.

It can be divided in two parts, 584 and 21617, that added together give a square (22201 = 149²).

The spelling of 58421617 in words is "fifty-eight million, four hundred twenty-one thousand, six hundred seventeen".