2625889 has 4 divisors (see below), whose sum is σ = 3001024. Its totient is φ = 2250756.

The previous prime is 2625869. The next prime is 2625901. The reversal of 2625889 is 9885262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2625889 - 2⁷ = 2625761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2625809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187557 + ... + 187570.

It is an arithmetic number, because the mean of its divisors is an integer number (750256).

2^2625889 is an apocalyptic number.

It is an amenable number.

2625889 is a deficient number, since it is larger than the sum of its proper divisors (375135).

2625889 is an equidigital number, since it uses as much as digits as its factorization.

2625889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375134.

The product of its digits is 69120, while the sum is 40.

The square root of 2625889 is about 1620.4595027337. The cubic root of 2625889 is about 137.9617796557.

The spelling of 2625889 in words is "two million, six hundred twenty-five thousand, eight hundred eighty-nine".