613223141 has 4 divisors (see below), whose sum is σ = 621623532. Its totient is φ = 604822752.

The previous prime is 613223123. The next prime is 613223159. The reversal of 613223141 is 141322316.

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

It is an interprime number because it is at equal distance from previous prime (613223123) and next prime (613223159).

It can be written as a sum of positive squares in 2 ways, for example, as 506700100 + 106523041 = 22510^2 + 10321^2 .

It is a cyclic number.

It is not a de Polignac number, because 613223141 - 2¹⁴ = 613206757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613223111) 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, 4200086 + ... + 4200231.

It is an arithmetic number, because the mean of its divisors is an integer number (155405883).

Almost surely, 2^613223141 is an apocalyptic number.

It is an amenable number.

613223141 is a deficient number, since it is larger than the sum of its proper divisors (8400391).

613223141 is an equidigital number, since it uses as much as digits as its factorization.

613223141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400390.

The product of its digits is 864, while the sum is 23.

The square root of 613223141 is about 24763.3426863176. The cubic root of 613223141 is about 849.5837135739.

Adding to 613223141 its reverse (141322316), we get a palindrome (754545457).

The spelling of 613223141 in words is "six hundred thirteen million, two hundred twenty-three thousand, one hundred forty-one".