614381 has 4 divisors (see below), whose sum is σ = 619932. Its totient is φ = 608832.

The previous prime is 614377. The next prime is 614387. The reversal of 614381 is 183416.

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

It can be written as a sum of positive squares in 2 ways, for example, as 136900 + 477481 = 370^2 + 691^2 .

It is a cyclic number.

It is not a de Polignac number, because 614381 - 2² = 614377 is a prime.

It is a super-2 number, since 2×614381² = 754928026322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 614381.

It is not an unprimeable number, because it can be changed into a prime (614387) 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, 2606 + ... + 2831.

It is an arithmetic number, because the mean of its divisors is an integer number (154983).

2⁶¹⁴³⁸¹ is an apocalyptic number.

It is an amenable number.

614381 is a deficient number, since it is larger than the sum of its proper divisors (5551).

614381 is a wasteful number, since it uses less digits than its factorization.

614381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550.

The product of its digits is 576, while the sum is 23.

The square root of 614381 is about 783.8245977258. The cubic root of 614381 is about 85.0118092012.

Adding to 614381 its reverse (183416), we get a palindrome (797797).

The spelling of 614381 in words is "six hundred fourteen thousand, three hundred eighty-one".