10577981 has 2 divisors, whose sum is σ = 10577982. Its totient is φ = 10577980.

The previous prime is 10577977. The next prime is 10577989. The reversal of 10577981 is 18977501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8357881 + 2220100 = 2891^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 10577981 - 2² = 10577977 is a prime.

It is a super-2 number, since 2×10577981² = 223787364072722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10577989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5288990 + 5288991.

It is an arithmetic number, because the mean of its divisors is an integer number (5288991).

Almost surely, 2^10577981 is an apocalyptic number.

It is an amenable number.

10577981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10577981 is an equidigital number, since it uses as much as digits as its factorization.

10577981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 10577981 is about 3252.3808202608. The cubic root of 10577981 is about 219.5167146014.

The spelling of 10577981 in words is "ten million, five hundred seventy-seven thousand, nine hundred eighty-one".