2625619 has 2 divisors, whose sum is σ = 2625620. Its totient is φ = 2625618.

The previous prime is 2625617. The next prime is 2625641. The reversal of 2625619 is 9165262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2625619 - 2¹ = 2625617 is a prime.

It is a super-2 number, since 2×2625619² = 13787750266322, which contains 22 as substring.

Together with 2625617, it forms a pair of twin primes.

2625619 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2625613) 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 as a sum of consecutive naturals, namely, 1312809 + 1312810.

It is an arithmetic number, because the mean of its divisors is an integer number (1312810).

2^2625619 is an apocalyptic number.

2625619 is a deficient number, since it is larger than the sum of its proper divisors (1).

2625619 is an equidigital number, since it uses as much as digits as its factorization.

2625619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 2625619 is about 1620.3761908890. The cubic root of 2625619 is about 137.9570509768.

The spelling of 2625619 in words is "two million, six hundred twenty-five thousand, six hundred nineteen".