7625236325281 has 2 divisors, whose sum is σ = 7625236325282. Its totient is φ = 7625236325280.

The previous prime is 7625236325257. The next prime is 7625236325347. The reversal of 7625236325281 is 1825236325267.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7568089032256 + 57147293025 = 2751016^2 + 239055^2 .

It is a cyclic number.

It is not a de Polignac number, because 7625236325281 - 2¹⁹ = 7625235800993 is a prime.

It is a super-2 number, since 2×7625236325281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7625236325221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3812618162640 + 3812618162641.

It is an arithmetic number, because the mean of its divisors is an integer number (3812618162641).

Almost surely, 2^{7625236325281} is an apocalyptic number.

It is an amenable number.

7625236325281 is a deficient number, since it is larger than the sum of its proper divisors (1).

7625236325281 is an equidigital number, since it uses as much as digits as its factorization.

7625236325281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 52.

The spelling of 7625236325281 in words is "seven trillion, six hundred twenty-five billion, two hundred thirty-six million, three hundred twenty-five thousand, two hundred eighty-one".