10757981 has 4 divisors (see below), whose sum is σ = 11585532. Its totient is φ = 9930432.

The previous prime is 10757963. The next prime is 10757987. The reversal of 10757981 is 18975701.

10757981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2544025 + 8213956 = 1595^2 + 2866^2 .

It is a cyclic number.

It is not a de Polignac number, because 10757981 - 2¹⁰ = 10756957 is a prime.

It is a super-2 number, since 2×10757981² = 231468310392722, 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 (10757987) 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, 413756 + ... + 413781.

It is an arithmetic number, because the mean of its divisors is an integer number (2896383).

Almost surely, 2^10757981 is an apocalyptic number.

It is an amenable number.

10757981 is a deficient number, since it is larger than the sum of its proper divisors (827551).

10757981 is an equidigital number, since it uses as much as digits as its factorization.

10757981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827550.

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

The square root of 10757981 is about 3279.9361274269. The cubic root of 10757981 is about 220.7548519348.

The spelling of 10757981 in words is "ten million, seven hundred fifty-seven thousand, nine hundred eighty-one".