6250001 has 4 divisors (see below), whose sum is σ = 6314532. Its totient is φ = 6185472.

The previous prime is 6249989. The next prime is 6250009. The reversal of 6250001 is 1000526.

It is a Cunningham number, because it is equal to 50⁴+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2808976 + 3441025 = 1676^2 + 1855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6250001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6250009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32120 + ... + 32313.

It is an arithmetic number, because the mean of its divisors is an integer number (1578633).

Almost surely, 2^6250001 is an apocalyptic number.

It is an amenable number.

6250001 is a deficient number, since it is larger than the sum of its proper divisors (64531).

6250001 is an equidigital number, since it uses as much as digits as its factorization.

6250001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64530.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 6250001 is about 2500.0002000000. Note that the first 3 decimals coincide. The cubic root of 6250001 is about 184.2015847561.

Adding to 6250001 its reverse (1000526), we get a palindrome (7250527).

The spelling of 6250001 in words is "six million, two hundred fifty thousand, one".