961783 has 2 divisors, whose sum is σ = 961784. Its totient is φ = 961782.

The previous prime is 961777. The next prime is 961789. The reversal of 961783 is 387169.

It is a balanced prime because it is at equal distance from previous prime (961777) and next prime (961789).

It is an emirp because it is prime and its reverse (387169) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480891 + 480892.

It is an arithmetic number, because the mean of its divisors is an integer number (480892).

2⁹⁶¹⁷⁸³ is an apocalyptic number.

961783 is a deficient number, since it is larger than the sum of its proper divisors (1).

961783 is an equidigital number, since it uses as much as digits as its factorization.

961783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 961783 is about 980.7053584028. The cubic root of 961783 is about 98.7095182038.

The spelling of 961783 in words is "nine hundred sixty-one thousand, seven hundred eighty-three".