425909311 has 2 divisors, whose sum is σ = 425909312. Its totient is φ = 425909310.

The previous prime is 425909293. The next prime is 425909357. The reversal of 425909311 is 113909524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425909311 - 2¹¹ = 425907263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425909611) 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, 212954655 + 212954656.

It is an arithmetic number, because the mean of its divisors is an integer number (212954656).

Almost surely, 2^425909311 is an apocalyptic number.

425909311 is a deficient number, since it is larger than the sum of its proper divisors (1).

425909311 is an equidigital number, since it uses as much as digits as its factorization.

425909311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 425909311 is about 20637.5703754100. The cubic root of 425909311 is about 752.3831224311.

The spelling of 425909311 in words is "four hundred twenty-five million, nine hundred nine thousand, three hundred eleven".