61594037 has 2 divisors, whose sum is σ = 61594038. Its totient is φ = 61594036.

The previous prime is 61594033. The next prime is 61594061. The reversal of 61594037 is 73049516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46117681 + 15476356 = 6791^2 + 3934^2 .

It is a cyclic number.

It is not a de Polignac number, because 61594037 - 2² = 61594033 is a prime.

It is a super-4 number, since 4×61594037⁴ (a number of 32 digits) contains 4444 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61593988 and 61594006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61594033) 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, 30797018 + 30797019.

It is an arithmetic number, because the mean of its divisors is an integer number (30797019).

Almost surely, 2^61594037 is an apocalyptic number.

It is an amenable number.

61594037 is a deficient number, since it is larger than the sum of its proper divisors (1).

61594037 is an equidigital number, since it uses as much as digits as its factorization.

61594037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 61594037 is about 7848.1868606704. The cubic root of 61594037 is about 394.9234205012.

The spelling of 61594037 in words is "sixty-one million, five hundred ninety-four thousand, thirty-seven".