8625091 has 2 divisors, whose sum is σ = 8625092. Its totient is φ = 8625090.

The previous prime is 8625083. The next prime is 8625119. The reversal of 8625091 is 1905268.

8625091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8625091 - 2³ = 8625083 is a prime.

8625091 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8625011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4312545 + 4312546.

It is an arithmetic number, because the mean of its divisors is an integer number (4312546).

Almost surely, 2^8625091 is an apocalyptic number.

8625091 is a deficient number, since it is larger than the sum of its proper divisors (1).

8625091 is an equidigital number, since it uses as much as digits as its factorization.

8625091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 8625091 is about 2936.8505239457. The cubic root of 8625091 is about 205.0790177241.

The spelling of 8625091 in words is "eight million, six hundred twenty-five thousand, ninety-one".