914981 has 2 divisors, whose sum is σ = 914982. Its totient is φ = 914980.

The previous prime is 914971. The next prime is 915007. The reversal of 914981 is 189419.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 410881 = 710^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 914981 - 2¹⁸ = 652837 is a prime.

It is a super-2 number, since 2×914981² = 1674380460722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (914941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457490 + 457491.

It is an arithmetic number, because the mean of its divisors is an integer number (457491).

2⁹¹⁴⁹⁸¹ is an apocalyptic number.

It is an amenable number.

914981 is a deficient number, since it is larger than the sum of its proper divisors (1).

914981 is an equidigital number, since it uses as much as digits as its factorization.

914981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 32.

The square root of 914981 is about 956.5463919748. The cubic root of 914981 is about 97.0816968580.

The spelling of 914981 in words is "nine hundred fourteen thousand, nine hundred eighty-one".