3625433261 has 2 divisors, whose sum is σ = 3625433262. Its totient is φ = 3625433260.

The previous prime is 3625433249. The next prime is 3625433269. The reversal of 3625433261 is 1623345263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3305560036 + 319873225 = 57494^2 + 17885^2 .

It is an emirp because it is prime and its reverse (1623345263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3625433261 - 2¹⁴ = 3625416877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3625433269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812716630 + 1812716631.

It is an arithmetic number, because the mean of its divisors is an integer number (1812716631).

Almost surely, 2^3625433261 is an apocalyptic number.

It is an amenable number.

3625433261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3625433261 is an equidigital number, since it uses as much as digits as its factorization.

3625433261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 35.

The square root of 3625433261 is about 60211.5708232230. The cubic root of 3625433261 is about 1536.2196110973.

The spelling of 3625433261 in words is "three billion, six hundred twenty-five million, four hundred thirty-three thousand, two hundred sixty-one".