606654619 has 4 divisors (see below), whose sum is σ = 606959496. Its totient is φ = 606349744.

The previous prime is 606654611. The next prime is 606654637. The reversal of 606654619 is 916456606.

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 606654619 - 2³ = 606654611 is a prime.

It is a super-2 number, since 2×606654619² = 736059653508070322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606654611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149434 + ... + 153439.

It is an arithmetic number, because the mean of its divisors is an integer number (151739874).

Almost surely, 2^606654619 is an apocalyptic number.

606654619 is a deficient number, since it is larger than the sum of its proper divisors (304877).

606654619 is a wasteful number, since it uses less digits than its factorization.

606654619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304876.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 606654619 is about 24630.3597009869. The cubic root of 606654619 is about 846.5393873364.

The spelling of 606654619 in words is "six hundred six million, six hundred fifty-four thousand, six hundred nineteen".