3625564291 has 2 divisors, whose sum is σ = 3625564292. Its totient is φ = 3625564290.

The previous prime is 3625564231. The next prime is 3625564303. The reversal of 3625564291 is 1924655263.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3625564291 - 2²⁹ = 3088693379 is a prime.

It is not a weakly prime, because it can be changed into another prime (3625564231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812782145 + 1812782146.

It is an arithmetic number, because the mean of its divisors is an integer number (1812782146).

Almost surely, 2^3625564291 is an apocalyptic number.

3625564291 is a deficient number, since it is larger than the sum of its proper divisors (1).

3625564291 is an equidigital number, since it uses as much as digits as its factorization.

3625564291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 43.

The square root of 3625564291 is about 60212.6588932925. The cubic root of 3625564291 is about 1536.2381181663.

The spelling of 3625564291 in words is "three billion, six hundred twenty-five million, five hundred sixty-four thousand, two hundred ninety-one".