1058054981 has 2 divisors, whose sum is σ = 1058054982. Its totient is φ = 1058054980.

The previous prime is 1058054917. The next prime is 1058054983. The reversal of 1058054981 is 1894508501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1008634081 + 49420900 = 31759^2 + 7030^2 .

It is an emirp because it is prime and its reverse (1894508501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1058054981 - 2⁶ = 1058054917 is a prime.

It is a super-4 number, since 4×1058054981⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

Together with 1058054983, 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 (1058054983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529027490 + 529027491.

It is an arithmetic number, because the mean of its divisors is an integer number (529027491).

Almost surely, 2^1058054981 is an apocalyptic number.

It is an amenable number.

1058054981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1058054981 is an equidigital number, since it uses as much as digits as its factorization.

1058054981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 41.

The square root of 1058054981 is about 32527.7570852956. The cubic root of 1058054981 is about 1018.9888033856.

The spelling of 1058054981 in words is "one billion, fifty-eight million, fifty-four thousand, nine hundred eighty-one".