2625001 has 2 divisors, whose sum is σ = 2625002. Its totient is φ = 2625000.

The previous prime is 2624989. The next prime is 2625011. The reversal of 2625001 is 1005262.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1946025 + 678976 = 1395^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 2625001 - 2¹⁷ = 2493929 is a prime.

2625001 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2625011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1312500 + 1312501.

It is an arithmetic number, because the mean of its divisors is an integer number (1312501).

2^2625001 is an apocalyptic number.

It is an amenable number.

2625001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2625001 is an equidigital number, since it uses as much as digits as its factorization.

2625001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2625001 is about 1620.1854832086. The cubic root of 2625001 is about 137.9462263360.

The spelling of 2625001 in words is "two million, six hundred twenty-five thousand, one".