606451 has 4 divisors (see below), whose sum is σ = 608400. Its totient is φ = 604504.

The previous prime is 606449. The next prime is 606493. The reversal of 606451 is 154606.

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 606451 - 2¹ = 606449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606251) 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, 391 + ... + 1168.

It is an arithmetic number, because the mean of its divisors is an integer number (152100).

2⁶⁰⁶⁴⁵¹ is an apocalyptic number.

606451 is a deficient number, since it is larger than the sum of its proper divisors (1949).

606451 is a wasteful number, since it uses less digits than its factorization.

606451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 606451 is about 778.7496388442. The cubic root of 606451 is about 84.6444665240.

The spelling of 606451 in words is "six hundred six thousand, four hundred fifty-one".