61832891 has 2 divisors, whose sum is σ = 61832892. Its totient is φ = 61832890.

The previous prime is 61832887. The next prime is 61832921. The reversal of 61832891 is 19823816.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61832891 - 2² = 61832887 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (61832851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30916445 + 30916446.

It is an arithmetic number, because the mean of its divisors is an integer number (30916446).

Almost surely, 2^61832891 is an apocalyptic number.

61832891 is a deficient number, since it is larger than the sum of its proper divisors (1).

61832891 is an equidigital number, since it uses as much as digits as its factorization.

61832891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 61832891 is about 7863.3892819827. The cubic root of 61832891 is about 395.4332499869.

The spelling of 61832891 in words is "sixty-one million, eight hundred thirty-two thousand, eight hundred ninety-one".