425523113 has 2 divisors, whose sum is σ = 425523114. Its totient is φ = 425523112.

The previous prime is 425523079. The next prime is 425523121. The reversal of 425523113 is 311325524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406748224 + 18774889 = 20168^2 + 4333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425523113 is a prime.

It is equal to p_22622831 and since 425523113 and 22622831 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (425523173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212761556 + 212761557.

It is an arithmetic number, because the mean of its divisors is an integer number (212761557).

Almost surely, 2^425523113 is an apocalyptic number.

It is an amenable number.

425523113 is a deficient number, since it is larger than the sum of its proper divisors (1).

425523113 is an equidigital number, since it uses as much as digits as its factorization.

425523113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 26.

The square root of 425523113 is about 20628.2115802607. The cubic root of 425523113 is about 752.1556430754.

Adding to 425523113 its reverse (311325524), we get a palindrome (736848637).

The spelling of 425523113 in words is "four hundred twenty-five million, five hundred twenty-three thousand, one hundred thirteen".