1058081261 has 4 divisors (see below), whose sum is σ = 1070829312. Its totient is φ = 1045333212.

The previous prime is 1058081237. The next prime is 1058081273. The reversal of 1058081261 is 1621808501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1058081261 - 2¹⁰ = 1058080237 is a prime.

It is a super-2 number, since 2×1058081261² = 2239071909758700242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058081201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6373901 + ... + 6374066.

It is an arithmetic number, because the mean of its divisors is an integer number (267707328).

Almost surely, 2^1058081261 is an apocalyptic number.

It is an amenable number.

1058081261 is a deficient number, since it is larger than the sum of its proper divisors (12748051).

1058081261 is an equidigital number, since it uses as much as digits as its factorization.

1058081261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12748050.

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 1058081261 is about 32528.1610454695. The cubic root of 1058081261 is about 1018.9972398735.

Adding to 1058081261 its reverse (1621808501), we get a palindrome (2679889762).

The spelling of 1058081261 in words is "one billion, fifty-eight million, eighty-one thousand, two hundred sixty-one".