61760539 has 2 divisors, whose sum is σ = 61760540. Its totient is φ = 61760538.

The previous prime is 61760521. The next prime is 61760561. The reversal of 61760539 is 93506716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61760539 - 2⁷ = 61760411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61760498 and 61760507.

It is not a weakly prime, because it can be changed into another prime (61760509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30880269 + 30880270.

It is an arithmetic number, because the mean of its divisors is an integer number (30880270).

Almost surely, 2^61760539 is an apocalyptic number.

61760539 is a deficient number, since it is larger than the sum of its proper divisors (1).

61760539 is an equidigital number, since it uses as much as digits as its factorization.

61760539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 61760539 is about 7858.7873746527. The cubic root of 61760539 is about 395.2789547970.

The spelling of 61760539 in words is "sixty-one million, seven hundred sixty thousand, five hundred thirty-nine".