89256061 has 2 divisors, whose sum is σ = 89256062. Its totient is φ = 89256060.

The previous prime is 89256059. The next prime is 89256073. The reversal of 89256061 is 16065298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88472836 + 783225 = 9406^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 89256061 - 2¹ = 89256059 is a prime.

Together with 89256059, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 89256061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89256361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44628030 + 44628031.

It is an arithmetic number, because the mean of its divisors is an integer number (44628031).

Almost surely, 2^89256061 is an apocalyptic number.

It is an amenable number.

89256061 is a deficient number, since it is larger than the sum of its proper divisors (1).

89256061 is an equidigital number, since it uses as much as digits as its factorization.

89256061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 89256061 is about 9447.5425905364. The cubic root of 89256061 is about 446.9022820060.

It can be divided in two parts, 892 and 56061, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 89256061 in words is "eighty-nine million, two hundred fifty-six thousand, sixty-one".