61144367 has 2 divisors, whose sum is σ = 61144368. Its totient is φ = 61144366.

The previous prime is 61144331. The next prime is 61144399. The reversal of 61144367 is 76344116.

It is an a-pointer prime, because the next prime (61144399) can be obtained adding 61144367 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61144367 - 2¹⁰ = 61143343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61143367) 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, 30572183 + 30572184.

It is an arithmetic number, because the mean of its divisors is an integer number (30572184).

Almost surely, 2^61144367 is an apocalyptic number.

61144367 is a deficient number, since it is larger than the sum of its proper divisors (1).

61144367 is an equidigital number, since it uses as much as digits as its factorization.

61144367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 61144367 is about 7819.4863642058. The cubic root of 61144367 is about 393.9600202504.

The spelling of 61144367 in words is "sixty-one million, one hundred forty-four thousand, three hundred sixty-seven".