61336757 has 2 divisors, whose sum is σ = 61336758. Its totient is φ = 61336756.

The previous prime is 61336747. The next prime is 61336771. The reversal of 61336757 is 75763316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52330756 + 9006001 = 7234^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 61336757 - 2¹⁴ = 61320373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61336757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61336747) 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, 30668378 + 30668379.

It is an arithmetic number, because the mean of its divisors is an integer number (30668379).

Almost surely, 2^61336757 is an apocalyptic number.

It is an amenable number.

61336757 is a deficient number, since it is larger than the sum of its proper divisors (1).

61336757 is an equidigital number, since it uses as much as digits as its factorization.

61336757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 38.

The square root of 61336757 is about 7831.7786613259. The cubic root of 61336757 is about 394.3727844223.

The spelling of 61336757 in words is "sixty-one million, three hundred thirty-six thousand, seven hundred fifty-seven".