425305513 has 2 divisors, whose sum is σ = 425305514. Its totient is φ = 425305512.

The previous prime is 425305499. The next prime is 425305553. The reversal of 425305513 is 315503524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339038569 + 86266944 = 18413^2 + 9288^2 .

It is a cyclic number.

It is not a de Polignac number, because 425305513 - 2²¹ = 423208361 is a prime.

It is not a weakly prime, because it can be changed into another prime (425305553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212652756 + 212652757.

It is an arithmetic number, because the mean of its divisors is an integer number (212652757).

Almost surely, 2^425305513 is an apocalyptic number.

It is an amenable number.

425305513 is a deficient number, since it is larger than the sum of its proper divisors (1).

425305513 is an equidigital number, since it uses as much as digits as its factorization.

425305513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 425305513 is about 20622.9365755704. The cubic root of 425305513 is about 752.0274111264.

The spelling of 425305513 in words is "four hundred twenty-five million, three hundred five thousand, five hundred thirteen".