623495 has 4 divisors (see below), whose sum is σ = 748200. Its totient is φ = 498792.

The previous prime is 623477. The next prime is 623521. The reversal of 623495 is 594326.

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 623495 - 2⁶ = 623431 is a prime.

It is a d-powerful number, because it can be written as 6⁵ + 2¹¹ + 4⁶ + 3¹² + 9 + 5⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62345 + ... + 62354.

It is an arithmetic number, because the mean of its divisors is an integer number (187050).

2⁶²³⁴⁹⁵ is an apocalyptic number.

623495 is a deficient number, since it is larger than the sum of its proper divisors (124705).

623495 is a wasteful number, since it uses less digits than its factorization.

623495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124704.

The product of its digits is 6480, while the sum is 29.

The square root of 623495 is about 789.6169957644. The cubic root of 623495 is about 85.4301151407.

The spelling of 623495 in words is "six hundred twenty-three thousand, four hundred ninety-five".