425324689 has 2 divisors, whose sum is σ = 425324690. Its totient is φ = 425324688.

The previous prime is 425324659. The next prime is 425324699. The reversal of 425324689 is 986423524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253924225 + 171400464 = 15935^2 + 13092^2 .

It is a cyclic number.

It is not a de Polignac number, because 425324689 - 2¹¹ = 425322641 is a prime.

It is not a weakly prime, because it can be changed into another prime (425324609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212662344 + 212662345.

It is an arithmetic number, because the mean of its divisors is an integer number (212662345).

Almost surely, 2^425324689 is an apocalyptic number.

It is an amenable number.

425324689 is a deficient number, since it is larger than the sum of its proper divisors (1).

425324689 is an equidigital number, since it uses as much as digits as its factorization.

425324689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The square root of 425324689 is about 20623.4014895700. The cubic root of 425324689 is about 752.0387133241.

The spelling of 425324689 in words is "four hundred twenty-five million, three hundred twenty-four thousand, six hundred eighty-nine".