425990911 has 2 divisors, whose sum is σ = 425990912. Its totient is φ = 425990910.

The previous prime is 425990897. The next prime is 425990927. The reversal of 425990911 is 119099524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425990911 - 2⁷ = 425990783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425990941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212995455 + 212995456.

It is an arithmetic number, because the mean of its divisors is an integer number (212995456).

Almost surely, 2^425990911 is an apocalyptic number.

425990911 is a deficient number, since it is larger than the sum of its proper divisors (1).

425990911 is an equidigital number, since it uses as much as digits as its factorization.

425990911 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 40.

The square root of 425990911 is about 20639.5472576314. The cubic root of 425990911 is about 752.4311690776.

The spelling of 425990911 in words is "four hundred twenty-five million, nine hundred ninety thousand, nine hundred eleven".