61793057 has 2 divisors, whose sum is σ = 61793058. Its totient is φ = 61793056.

The previous prime is 61793051. The next prime is 61793087. The reversal of 61793057 is 75039716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46730896 + 15062161 = 6836^2 + 3881^2 .

It is a cyclic number.

It is not a de Polignac number, because 61793057 - 2¹⁶ = 61727521 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61793057.

It is not a weakly prime, because it can be changed into another prime (61793051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30896528 + 30896529.

It is an arithmetic number, because the mean of its divisors is an integer number (30896529).

Almost surely, 2^61793057 is an apocalyptic number.

It is an amenable number.

61793057 is a deficient number, since it is larger than the sum of its proper divisors (1).

61793057 is an equidigital number, since it uses as much as digits as its factorization.

61793057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 61793057 is about 7860.8559966457. The cubic root of 61793057 is about 395.3483163776.

The spelling of 61793057 in words is "sixty-one million, seven hundred ninety-three thousand, fifty-seven".