61825459037 has 2 divisors, whose sum is σ = 61825459038. Its totient is φ = 61825459036.

The previous prime is 61825459001. The next prime is 61825459043. The reversal of 61825459037 is 73095452816.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37268688601 + 24556770436 = 193051^2 + 156706^2 .

It is a cyclic number.

It is not a de Polignac number, because 61825459037 - 2⁶ = 61825458973 is a prime.

It is a congruent number.

It is a weakly prime.

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, 30912729518 + 30912729519.

It is an arithmetic number, because the mean of its divisors is an integer number (30912729519).

It is a 2-persistent number, because it is pandigital, and so is 2⋅61825459037 = 123650918074, but 3⋅61825459037 = 185476377111 is not.

Almost surely, 2^61825459037 is an apocalyptic number.

It is an amenable number.

61825459037 is a deficient number, since it is larger than the sum of its proper divisors (1).

61825459037 is an equidigital number, since it uses as much as digits as its factorization.

61825459037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 61825459037 in words is "sixty-one billion, eight hundred twenty-five million, four hundred fifty-nine thousand, thirty-seven".