61962559 has 2 divisors, whose sum is σ = 61962560. Its totient is φ = 61962558.

The previous prime is 61962547. The next prime is 61962577. The reversal of 61962559 is 95526916.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61962559 - 2¹⁷ = 61831487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61962539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30981279 + 30981280.

It is an arithmetic number, because the mean of its divisors is an integer number (30981280).

Almost surely, 2^61962559 is an apocalyptic number.

61962559 is a deficient number, since it is larger than the sum of its proper divisors (1).

61962559 is an equidigital number, since it uses as much as digits as its factorization.

61962559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 43.

The square root of 61962559 is about 7871.6300090896. The cubic root of 61962559 is about 395.7094742695.

The spelling of 61962559 in words is "sixty-one million, nine hundred sixty-two thousand, five hundred fifty-nine".