61422500604247 has 2 divisors, whose sum is σ = 61422500604248. Its totient is φ = 61422500604246.

The previous prime is 61422500604181. The next prime is 61422500604287. The reversal of 61422500604247 is 74240600522416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61422500604247 - 2²⁷ = 61422366386519 is a prime.

It is a super-2 number, since 2×61422500604247² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61422500604287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30711250302123 + 30711250302124.

It is an arithmetic number, because the mean of its divisors is an integer number (30711250302124).

Almost surely, 2^{61422500604247} is an apocalyptic number.

61422500604247 is a deficient number, since it is larger than the sum of its proper divisors (1).

61422500604247 is an equidigital number, since it uses as much as digits as its factorization.

61422500604247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 61422500604247 in words is "sixty-one trillion, four hundred twenty-two billion, five hundred million, six hundred four thousand, two hundred forty-seven".