61832591 has 2 divisors, whose sum is σ = 61832592. Its totient is φ = 61832590.

The previous prime is 61832549. The next prime is 61832597. The reversal of 61832591 is 19523816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61832591 - 2¹⁴ = 61816207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61832597) 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, 30916295 + 30916296.

It is an arithmetic number, because the mean of its divisors is an integer number (30916296).

Almost surely, 2^61832591 is an apocalyptic number.

61832591 is a deficient number, since it is larger than the sum of its proper divisors (1).

61832591 is an equidigital number, since it uses as much as digits as its factorization.

61832591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 61832591 is about 7863.3702062157. The cubic root of 61832591 is about 395.4326104666.

The spelling of 61832591 in words is "sixty-one million, eight hundred thirty-two thousand, five hundred ninety-one".