89462561 has 4 divisors (see below), whose sum is σ = 89528724. Its totient is φ = 89396400.

The previous prime is 89462557. The next prime is 89462579. The reversal of 89462561 is 16526498.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16526498 = 2 ⋅8263249.

It can be written as a sum of positive squares in 2 ways, for example, as 38254225 + 51208336 = 6185^2 + 7156^2 .

It is a cyclic number.

It is not a de Polignac number, because 89462561 - 2² = 89462557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89462501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31010 + ... + 33771.

It is an arithmetic number, because the mean of its divisors is an integer number (22382181).

Almost surely, 2^89462561 is an apocalyptic number.

It is an amenable number.

89462561 is a deficient number, since it is larger than the sum of its proper divisors (66163).

89462561 is a wasteful number, since it uses less digits than its factorization.

89462561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66162.

The product of its digits is 103680, while the sum is 41.

The square root of 89462561 is about 9458.4650446042. The cubic root of 89462561 is about 447.2466628882.

The spelling of 89462561 in words is "eighty-nine million, four hundred sixty-two thousand, five hundred sixty-one".