961506233 has 2 divisors, whose sum is σ = 961506234. Its totient is φ = 961506232.

The previous prime is 961506181. The next prime is 961506251. The reversal of 961506233 is 332605169.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 960814009 + 692224 = 30997^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 961506233 - 2¹² = 961502137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 961506193 and 961506202.

It is not a weakly prime, because it can be changed into another prime (961506253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480753116 + 480753117.

It is an arithmetic number, because the mean of its divisors is an integer number (480753117).

Almost surely, 2^961506233 is an apocalyptic number.

It is an amenable number.

961506233 is a deficient number, since it is larger than the sum of its proper divisors (1).

961506233 is an equidigital number, since it uses as much as digits as its factorization.

961506233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 961506233 is about 31008.1639733797. The cubic root of 961506233 is about 987.0004893057. Note that the first 3 decimals are identical.

The spelling of 961506233 in words is "nine hundred sixty-one million, five hundred six thousand, two hundred thirty-three".