425115133 has 2 divisors, whose sum is σ = 425115134. Its totient is φ = 425115132.

The previous prime is 425115109. The next prime is 425115137. The reversal of 425115133 is 331511524.

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., 333683289 + 91431844 = 18267^2 + 9562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425115133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425115098 and 425115107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425115137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212557566 + 212557567.

It is an arithmetic number, because the mean of its divisors is an integer number (212557567).

Almost surely, 2^425115133 is an apocalyptic number.

It is an amenable number.

425115133 is a deficient number, since it is larger than the sum of its proper divisors (1).

425115133 is an equidigital number, since it uses as much as digits as its factorization.

425115133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 25.

The square root of 425115133 is about 20618.3203244105. The cubic root of 425115133 is about 751.9151840786.

Adding to 425115133 its reverse (331511524), we get a palindrome (756626657).

The spelling of 425115133 in words is "four hundred twenty-five million, one hundred fifteen thousand, one hundred thirty-three".