610139441 has 2 divisors, whose sum is σ = 610139442. Its totient is φ = 610139440.

The previous prime is 610139429. The next prime is 610139449. The reversal of 610139441 is 144931016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541911841 + 68227600 = 23279^2 + 8260^2 .

It is a cyclic number.

It is not a de Polignac number, because 610139441 - 2¹⁴ = 610123057 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (610139449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305069720 + 305069721.

It is an arithmetic number, because the mean of its divisors is an integer number (305069721).

Almost surely, 2^610139441 is an apocalyptic number.

It is an amenable number.

610139441 is a deficient number, since it is larger than the sum of its proper divisors (1).

610139441 is an equidigital number, since it uses as much as digits as its factorization.

610139441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 610139441 is about 24701.0008096838. Note that the first 3 decimals coincide. The cubic root of 610139441 is about 848.1572262650.

The spelling of 610139441 in words is "six hundred ten million, one hundred thirty-nine thousand, four hundred forty-one".