951281 has 2 divisors, whose sum is σ = 951282. Its totient is φ = 951280.

The previous prime is 951277. The next prime is 951283. The reversal of 951281 is 182159.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839056 + 112225 = 916^2 + 335^2 .

It is an emirp because it is prime and its reverse (182159) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 951281 - 2² = 951277 is a prime.

It is a super-2 number, since 2×951281² = 1809871081922, which contains 22 as substring.

Together with 951283, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 951281.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 951281.

It is not a weakly prime, because it can be changed into another prime (951283) 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, 475640 + 475641.

It is an arithmetic number, because the mean of its divisors is an integer number (475641).

2⁹⁵¹²⁸¹ is an apocalyptic number.

It is an amenable number.

951281 is a deficient number, since it is larger than the sum of its proper divisors (1).

951281 is an equidigital number, since it uses as much as digits as its factorization.

951281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 26.

The square root of 951281 is about 975.3363522396. The cubic root of 951281 is about 98.3489228053.

The spelling of 951281 in words is "nine hundred fifty-one thousand, two hundred eighty-one".