61824701 has 2 divisors, whose sum is σ = 61824702. Its totient is φ = 61824700.

The previous prime is 61824683. The next prime is 61824703. The reversal of 61824701 is 10742816.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37332100 + 24492601 = 6110^2 + 4949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61824701 is a prime.

Together with 61824703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61824703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30912350 + 30912351.

It is an arithmetic number, because the mean of its divisors is an integer number (30912351).

Almost surely, 2^61824701 is an apocalyptic number.

It is an amenable number.

61824701 is a deficient number, since it is larger than the sum of its proper divisors (1).

61824701 is an equidigital number, since it uses as much as digits as its factorization.

61824701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 61824701 is about 7862.8684969291. The cubic root of 61824701 is about 395.4157903400.

The spelling of 61824701 in words is "sixty-one million, eight hundred twenty-four thousand, seven hundred one".