614355121 has 4 divisors (see below), whose sum is σ = 615104244. Its totient is φ = 613606000.

The previous prime is 614355107. The next prime is 614355143. The reversal of 614355121 is 121553416.

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 313679521 + 300675600 = 17711^2 + 17340^2 .

It is a cyclic number.

It is not a de Polignac number, because 614355121 - 2⁵ = 614355089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 614355121.

It is not an unprimeable number, because it can be changed into a prime (614355151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373330 + ... + 374971.

It is an arithmetic number, because the mean of its divisors is an integer number (153776061).

Almost surely, 2^614355121 is an apocalyptic number.

It is an amenable number.

614355121 is a deficient number, since it is larger than the sum of its proper divisors (749123).

614355121 is an equidigital number, since it uses as much as digits as its factorization.

614355121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749122.

The product of its digits is 3600, while the sum is 28.

The square root of 614355121 is about 24786.1881095097. The cubic root of 614355121 is about 850.1061555999.

The spelling of 614355121 in words is "six hundred fourteen million, three hundred fifty-five thousand, one hundred twenty-one".