61412311 has 2 divisors, whose sum is σ = 61412312. Its totient is φ = 61412310.

The previous prime is 61412303. The next prime is 61412317. The reversal of 61412311 is 11321416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61412311 - 2³ = 61412303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61412317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30706155 + 30706156.

It is an arithmetic number, because the mean of its divisors is an integer number (30706156).

Almost surely, 2^61412311 is an apocalyptic number.

61412311 is a deficient number, since it is larger than the sum of its proper divisors (1).

61412311 is an equidigital number, since it uses as much as digits as its factorization.

61412311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 61412311 is about 7836.6007299083. The cubic root of 61412311 is about 394.5346461230.

Adding to 61412311 its reverse (11321416), we get a palindrome (72733727).

The spelling of 61412311 in words is "sixty-one million, four hundred twelve thousand, three hundred eleven".