7625238539 has 2 divisors, whose sum is σ = 7625238540. Its totient is φ = 7625238538.

The previous prime is 7625238527. The next prime is 7625238559. The reversal of 7625238539 is 9358325267.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7625238539 is a prime.

It is not a weakly prime, because it can be changed into another prime (7625238559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3812619269 + 3812619270.

It is an arithmetic number, because the mean of its divisors is an integer number (3812619270).

Almost surely, 2^7625238539 is an apocalyptic number.

7625238539 is a deficient number, since it is larger than the sum of its proper divisors (1).

7625238539 is an equidigital number, since it uses as much as digits as its factorization.

7625238539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 50.

The square root of 7625238539 is about 87322.6118425234. The cubic root of 7625238539 is about 1968.2691161043.

The spelling of 7625238539 in words is "seven billion, six hundred twenty-five million, two hundred thirty-eight thousand, five hundred thirty-nine".