2578341603 has 4 divisors (see below), whose sum is σ = 3437788808. Its totient is φ = 1718894400.

The previous prime is 2578341589. The next prime is 2578341617. The reversal of 2578341603 is 3061438752.

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

It is an interprime number because it is at equal distance from previous prime (2578341589) and next prime (2578341617).

It is not a de Polignac number, because 2578341603 - 2⁸ = 2578341347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2578341673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429723598 + ... + 429723603.

It is an arithmetic number, because the mean of its divisors is an integer number (859447202).

Almost surely, 2^2578341603 is an apocalyptic number.

2578341603 is a deficient number, since it is larger than the sum of its proper divisors (859447205).

2578341603 is an equidigital number, since it uses as much as digits as its factorization.

2578341603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859447204.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 2578341603 is about 50777.3729430738. The cubic root of 2578341603 is about 1371.2400378588.

The spelling of 2578341603 in words is "two billion, five hundred seventy-eight million, three hundred forty-one thousand, six hundred three".