61373593 has 2 divisors, whose sum is σ = 61373594. Its totient is φ = 61373592.

The previous prime is 61373581. The next prime is 61373633. The reversal of 61373593 is 39537316.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35485849 + 25887744 = 5957^2 + 5088^2 .

It is a cyclic number.

It is not a de Polignac number, because 61373593 - 2¹⁷ = 61242521 is a prime.

It is not a weakly prime, because it can be changed into another prime (61373573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30686796 + 30686797.

It is an arithmetic number, because the mean of its divisors is an integer number (30686797).

Almost surely, 2^61373593 is an apocalyptic number.

It is an amenable number.

61373593 is a deficient number, since it is larger than the sum of its proper divisors (1).

61373593 is an equidigital number, since it uses as much as digits as its factorization.

61373593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51030, while the sum is 37.

The square root of 61373593 is about 7834.1300091331. The cubic root of 61373593 is about 394.4517159335.

It can be divided in two parts, 6137 and 3593, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 61373593 in words is "sixty-one million, three hundred seventy-three thousand, five hundred ninety-three".