58315261 has 2 divisors, whose sum is σ = 58315262. Its totient is φ = 58315260.

The previous prime is 58315241. The next prime is 58315273. The reversal of 58315261 is 16251385.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44809636 + 13505625 = 6694^2 + 3675^2 .

It is a cyclic number.

It is not a de Polignac number, because 58315261 - 2⁷ = 58315133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58315241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29157630 + 29157631.

It is an arithmetic number, because the mean of its divisors is an integer number (29157631).

Almost surely, 2^58315261 is an apocalyptic number.

It is an amenable number.

58315261 is a deficient number, since it is larger than the sum of its proper divisors (1).

58315261 is an equidigital number, since it uses as much as digits as its factorization.

58315261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 31.

The square root of 58315261 is about 7636.4429546746. The cubic root of 58315261 is about 387.7877399439.

The spelling of 58315261 in words is "fifty-eight million, three hundred fifteen thousand, two hundred sixty-one".