956401 has 2 divisors, whose sum is σ = 956402. Its totient is φ = 956400.

The previous prime is 956399. The next prime is 956429. The reversal of 956401 is 104659.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 950625 + 5776 = 975^2 + 76^2 .

It is an emirp because it is prime and its reverse (104659) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 956401 - 2¹ = 956399 is a prime.

Together with 956399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (956801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478200 + 478201.

It is an arithmetic number, because the mean of its divisors is an integer number (478201).

2⁹⁵⁶⁴⁰¹ is an apocalyptic number.

It is an amenable number.

956401 is a deficient number, since it is larger than the sum of its proper divisors (1).

956401 is an equidigital number, since it uses as much as digits as its factorization.

956401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 956401 is about 977.9575655416. The cubic root of 956401 is about 98.5250522482.

The spelling of 956401 in words is "nine hundred fifty-six thousand, four hundred one".