619243 has 4 divisors (see below), whose sum is σ = 633688. Its totient is φ = 604800.

The previous prime is 619207. The next prime is 619247. The reversal of 619243 is 342916.

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 619243 - 2¹⁷ = 488171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (619247) 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, 7158 + ... + 7243.

It is an arithmetic number, because the mean of its divisors is an integer number (158422).

2⁶¹⁹²⁴³ is an apocalyptic number.

619243 is a deficient number, since it is larger than the sum of its proper divisors (14445).

619243 is a wasteful number, since it uses less digits than its factorization.

619243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14444.

The product of its digits is 1296, while the sum is 25.

The square root of 619243 is about 786.9199451024. The cubic root of 619243 is about 85.2354716487.

It can be divided in two parts, 6192 and 43, that multiplied together give a square (266256 = 516²).

The spelling of 619243 in words is "six hundred nineteen thousand, two hundred forty-three".