61250754287 has 2 divisors, whose sum is σ = 61250754288. Its totient is φ = 61250754286.

The previous prime is 61250754241. The next prime is 61250754353. The reversal of 61250754287 is 78245705216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61250754287 - 2⁸ = 61250754031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61250054287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30625377143 + 30625377144.

It is an arithmetic number, because the mean of its divisors is an integer number (30625377144).

Almost surely, 2^61250754287 is an apocalyptic number.

61250754287 is a deficient number, since it is larger than the sum of its proper divisors (1).

61250754287 is an equidigital number, since it uses as much as digits as its factorization.

61250754287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 61250754287 in words is "sixty-one billion, two hundred fifty million, seven hundred fifty-four thousand, two hundred eighty-seven".