61254510307 has 2 divisors, whose sum is σ = 61254510308. Its totient is φ = 61254510306.

The previous prime is 61254510287. The next prime is 61254510377. The reversal of 61254510307 is 70301545216.

61254510307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61254510307 is a prime.

It is not a weakly prime, because it can be changed into another prime (61254510377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30627255153 + 30627255154.

It is an arithmetic number, because the mean of its divisors is an integer number (30627255154).

Almost surely, 2^61254510307 is an apocalyptic number.

61254510307 is a deficient number, since it is larger than the sum of its proper divisors (1).

61254510307 is an equidigital number, since it uses as much as digits as its factorization.

61254510307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 61254510307 in words is "sixty-one billion, two hundred fifty-four million, five hundred ten thousand, three hundred seven".