946250009 has 2 divisors, whose sum is σ = 946250010. Its totient is φ = 946250008.

The previous prime is 946249957. The next prime is 946250021. The reversal of 946250009 is 900052649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 655206409 + 291043600 = 25597^2 + 17060^2 .

It is a cyclic number.

It is not a de Polignac number, because 946250009 - 2⁸ = 946249753 is a prime.

It is not a weakly prime, because it can be changed into another prime (946250059) 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, 473125004 + 473125005.

It is an arithmetic number, because the mean of its divisors is an integer number (473125005).

Almost surely, 2^946250009 is an apocalyptic number.

It is an amenable number.

946250009 is a deficient number, since it is larger than the sum of its proper divisors (1).

946250009 is an equidigital number, since it uses as much as digits as its factorization.

946250009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 946250009 is about 30761.1769768323. The cubic root of 946250009 is about 981.7523862617.

The spelling of 946250009 in words is "nine hundred forty-six million, two hundred fifty thousand, nine".