61024313591 has 2 divisors, whose sum is σ = 61024313592. Its totient is φ = 61024313590.

The previous prime is 61024313491. The next prime is 61024313593. The reversal of 61024313591 is 19531342016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61024313591 - 2¹⁴ = 61024297207 is a prime.

Together with 61024313593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61024313593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30512156795 + 30512156796.

It is an arithmetic number, because the mean of its divisors is an integer number (30512156796).

Almost surely, 2^61024313591 is an apocalyptic number.

61024313591 is a deficient number, since it is larger than the sum of its proper divisors (1).

61024313591 is an equidigital number, since it uses as much as digits as its factorization.

61024313591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 61024313591 in words is "sixty-one billion, twenty-four million, three hundred thirteen thousand, five hundred ninety-one".