754981 has 2 divisors, whose sum is σ = 754982. Its totient is φ = 754980.

The previous prime is 754979. The next prime is 754991. The reversal of 754981 is 189457.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538756 + 216225 = 734^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 754981 - 2¹ = 754979 is a prime.

It is a super-2 number, since 2×754981² = 1139992620722, which contains 22 as substring.

Together with 754979, it forms a pair of twin primes.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (754921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377490 + 377491.

It is an arithmetic number, because the mean of its divisors is an integer number (377491).

2⁷⁵⁴⁹⁸¹ is an apocalyptic number.

It is an amenable number.

754981 is a deficient number, since it is larger than the sum of its proper divisors (1).

754981 is an equidigital number, since it uses as much as digits as its factorization.

754981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 754981 is about 868.8964265089. The cubic root of 754981 is about 91.0567210683.

The spelling of 754981 in words is "seven hundred fifty-four thousand, nine hundred eighty-one".