608651 has 4 divisors (see below), whose sum is σ = 644472. Its totient is φ = 572832.

The previous prime is 608633. The next prime is 608653. The reversal of 608651 is 156806.

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

It is not a de Polignac number, because 608651 - 2¹⁰ = 607627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 608651.

It is not an unprimeable number, because it can be changed into a prime (608653) 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, 17885 + ... + 17918.

It is an arithmetic number, because the mean of its divisors is an integer number (161118).

2⁶⁰⁸⁶⁵¹ is an apocalyptic number.

608651 is a deficient number, since it is larger than the sum of its proper divisors (35821).

608651 is a wasteful number, since it uses less digits than its factorization.

608651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35820.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 608651 is about 780.1608808445. The cubic root of 608651 is about 84.7466968776.

The spelling of 608651 in words is "six hundred eight thousand, six hundred fifty-one".