614881 has 2 divisors, whose sum is σ = 614882. Its totient is φ = 614880.

The previous prime is 614863. The next prime is 614893. The reversal of 614881 is 188416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 225 = 784^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 614881 - 2⁵ = 614849 is a prime.

It is a super-2 number, since 2×614881² = 756157288322, which contains 22 as substring.

614881 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (614851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307440 + 307441.

It is an arithmetic number, because the mean of its divisors is an integer number (307441).

2⁶¹⁴⁸⁸¹ is an apocalyptic number.

It is an amenable number.

614881 is a deficient number, since it is larger than the sum of its proper divisors (1).

614881 is an equidigital number, since it uses as much as digits as its factorization.

614881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 28.

The square root of 614881 is about 784.1434817685. The cubic root of 614881 is about 85.0348645903.

The spelling of 614881 in words is "six hundred fourteen thousand, eight hundred eighty-one".