605378615 has 4 divisors (see below), whose sum is σ = 726454344. Its totient is φ = 484302888.

The previous prime is 605378603. The next prime is 605378651. The reversal of 605378615 is 516873506.

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

It is a cyclic number.

It is not a de Polignac number, because 605378615 - 2⁸ = 605378359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60537857 + ... + 60537866.

It is an arithmetic number, because the mean of its divisors is an integer number (181613586).

Almost surely, 2^605378615 is an apocalyptic number.

605378615 is a deficient number, since it is larger than the sum of its proper divisors (121075729).

605378615 is a wasteful number, since it uses less digits than its factorization.

605378615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121075728.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 605378615 is about 24604.4429930856. The cubic root of 605378615 is about 845.9454492413.

The spelling of 605378615 in words is "six hundred five million, three hundred seventy-eight thousand, six hundred fifteen".