425302513 has 2 divisors, whose sum is σ = 425302514. Its totient is φ = 425302512.

The previous prime is 425302511. The next prime is 425302543. The reversal of 425302513 is 315203524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352575729 + 72726784 = 18777^2 + 8528^2 .

It is a cyclic number.

It is not a de Polignac number, because 425302513 - 2¹ = 425302511 is a prime.

Together with 425302511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (425302511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212651256 + 212651257.

It is an arithmetic number, because the mean of its divisors is an integer number (212651257).

Almost surely, 2^425302513 is an apocalyptic number.

It is an amenable number.

425302513 is a deficient number, since it is larger than the sum of its proper divisors (1).

425302513 is an equidigital number, since it uses as much as digits as its factorization.

425302513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 425302513 is about 20622.8638408927. The cubic root of 425302513 is about 752.0256429171.

The spelling of 425302513 in words is "four hundred twenty-five million, three hundred two thousand, five hundred thirteen".