6625001 has 2 divisors, whose sum is σ = 6625002. Its totient is φ = 6625000.

The previous prime is 6624973. The next prime is 6625007. The reversal of 6625001 is 1005266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4141225 + 2483776 = 2035^2 + 1576^2 .

It is a cyclic number.

It is not a de Polignac number, because 6625001 - 2¹⁸ = 6362857 is a prime.

It is not a weakly prime, because it can be changed into another prime (6625007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312500 + 3312501.

It is an arithmetic number, because the mean of its divisors is an integer number (3312501).

Almost surely, 2^6625001 is an apocalyptic number.

It is an amenable number.

6625001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6625001 is an equidigital number, since it uses as much as digits as its factorization.

6625001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 6625001 is about 2573.9077295039. The cubic root of 6625001 is about 187.8142971608.

The spelling of 6625001 in words is "six million, six hundred twenty-five thousand, one".