5625091 has 2 divisors, whose sum is σ = 5625092. Its totient is φ = 5625090.

The previous prime is 5625071. The next prime is 5625149. The reversal of 5625091 is 1905265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5625091 - 2⁷ = 5624963 is a prime.

It is not a weakly prime, because it can be changed into another prime (5625031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2812545 + 2812546.

It is an arithmetic number, because the mean of its divisors is an integer number (2812546).

Almost surely, 2^5625091 is an apocalyptic number.

5625091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5625091 is an equidigital number, since it uses as much as digits as its factorization.

5625091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 5625091 is about 2371.7274295332. The cubic root of 5625091 is about 177.8456242632.

The spelling of 5625091 in words is "five million, six hundred twenty-five thousand, ninety-one".