61237801 has 2 divisors, whose sum is σ = 61237802. Its totient is φ = 61237800.

The previous prime is 61237793. The next prime is 61237823. The reversal of 61237801 is 10873216.

61237801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59059225 + 2178576 = 7685^2 + 1476^2 .

It is a cyclic number.

It is not a de Polignac number, because 61237801 - 2³ = 61237793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61237801.

It is not a weakly prime, because it can be changed into another prime (61237301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30618900 + 30618901.

It is an arithmetic number, because the mean of its divisors is an integer number (30618901).

Almost surely, 2^61237801 is an apocalyptic number.

It is an amenable number.

61237801 is a deficient number, since it is larger than the sum of its proper divisors (1).

61237801 is an equidigital number, since it uses as much as digits as its factorization.

61237801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 61237801 is about 7825.4585169177. The cubic root of 61237801 is about 394.1605867074.

It can be divided in two parts, 6123 and 7801, that added together give a square (13924 = 118²).

The spelling of 61237801 in words is "sixty-one million, two hundred thirty-seven thousand, eight hundred one".