2645417 has 2 divisors, whose sum is σ = 2645418. Its totient is φ = 2645416.

The previous prime is 2645413. The next prime is 2645429. The reversal of 2645417 is 7145462.

2645417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2399401 + 246016 = 1549^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 2645417 - 2² = 2645413 is a prime.

It is a super-2 number, since 2×2645417² = 13996462207778, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2645417.

It is not a weakly prime, because it can be changed into another prime (2645413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322708 + 1322709.

It is an arithmetic number, because the mean of its divisors is an integer number (1322709).

2^2645417 is an apocalyptic number.

It is an amenable number.

2645417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645417 is an equidigital number, since it uses as much as digits as its factorization.

2645417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 2645417 is about 1626.4737932103. The cubic root of 2645417 is about 138.3029297225.

The spelling of 2645417 in words is "two million, six hundred forty-five thousand, four hundred seventeen".