956143 has 2 divisors, whose sum is σ = 956144. Its totient is φ = 956142.

The previous prime is 956119. The next prime is 956147. The reversal of 956143 is 341659.

It is a strong prime.

It is an emirp because it is prime and its reverse (341659) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-956143 is a prime.

956143 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (956147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478071 + 478072.

It is an arithmetic number, because the mean of its divisors is an integer number (478072).

2⁹⁵⁶¹⁴³ is an apocalyptic number.

956143 is a deficient number, since it is larger than the sum of its proper divisors (1).

956143 is an equidigital number, since it uses as much as digits as its factorization.

956143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 956143 is about 977.8256490807. The cubic root of 956143 is about 98.5161920352.

It can be divided in two parts, 9561 and 43, that added together give a square (9604 = 98²).

The spelling of 956143 in words is "nine hundred fifty-six thousand, one hundred forty-three".