89931461 has 2 divisors, whose sum is σ = 89931462. Its totient is φ = 89931460.

The previous prime is 89931451. The next prime is 89931469. The reversal of 89931461 is 16413998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62568100 + 27363361 = 7910^2 + 5231^2 .

It is a cyclic number.

It is not a de Polignac number, because 89931461 - 2⁶ = 89931397 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89931469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44965730 + 44965731.

It is an arithmetic number, because the mean of its divisors is an integer number (44965731).

Almost surely, 2^89931461 is an apocalyptic number.

It is an amenable number.

89931461 is a deficient number, since it is larger than the sum of its proper divisors (1).

89931461 is an equidigital number, since it uses as much as digits as its factorization.

89931461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 89931461 is about 9483.2199700313. The cubic root of 89931461 is about 448.0266861362.

The spelling of 89931461 in words is "eighty-nine million, nine hundred thirty-one thousand, four hundred sixty-one".