58418981 has 2 divisors, whose sum is σ = 58418982. Its totient is φ = 58418980.

The previous prime is 58418959. The next prime is 58418989. The reversal of 58418981 is 18981485.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29528356 + 28890625 = 5434^2 + 5375^2 .

It is a cyclic number.

It is not a de Polignac number, because 58418981 - 2⁶ = 58418917 is a prime.

It is a super-2 number, since 2×58418981² = 6825554682156722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58418989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29209490 + 29209491.

It is an arithmetic number, because the mean of its divisors is an integer number (29209491).

Almost surely, 2^58418981 is an apocalyptic number.

It is an amenable number.

58418981 is a deficient number, since it is larger than the sum of its proper divisors (1).

58418981 is an equidigital number, since it uses as much as digits as its factorization.

58418981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 44.

The square root of 58418981 is about 7643.2310576091. The cubic root of 58418981 is about 388.0175112549.

The spelling of 58418981 in words is "fifty-eight million, four hundred eighteen thousand, nine hundred eighty-one".