61432520587 has 2 divisors, whose sum is σ = 61432520588. Its totient is φ = 61432520586.

The previous prime is 61432520573. The next prime is 61432520627. The reversal of 61432520587 is 78502523416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61432520587 - 2¹⁵ = 61432487819 is a prime.

It is not a weakly prime, because it can be changed into another prime (61432520537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30716260293 + 30716260294.

It is an arithmetic number, because the mean of its divisors is an integer number (30716260294).

Almost surely, 2^61432520587 is an apocalyptic number.

61432520587 is a deficient number, since it is larger than the sum of its proper divisors (1).

61432520587 is an equidigital number, since it uses as much as digits as its factorization.

61432520587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 61432520587 in words is "sixty-one billion, four hundred thirty-two million, five hundred twenty thousand, five hundred eighty-seven".