4025133509 has 2 divisors, whose sum is σ = 4025133510. Its totient is φ = 4025133508.

The previous prime is 4025133499. The next prime is 4025133517. The reversal of 4025133509 is 9053315204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3462969409 + 562164100 = 58847^2 + 23710^2 .

It is a cyclic number.

It is not a de Polignac number, because 4025133509 - 2⁸ = 4025133253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4025133529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2012566754 + 2012566755.

It is an arithmetic number, because the mean of its divisors is an integer number (2012566755).

Almost surely, 2^4025133509 is an apocalyptic number.

It is an amenable number.

4025133509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4025133509 is an equidigital number, since it uses as much as digits as its factorization.

4025133509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 4025133509 is about 63443.9398918447. The cubic root of 4025133509 is about 1590.7188591815.

The spelling of 4025133509 in words is "four billion, twenty-five million, one hundred thirty-three thousand, five hundred nine".