89101601 has 4 divisors (see below), whose sum is σ = 92174100. Its totient is φ = 86029104.

The previous prime is 89101589. The next prime is 89101603. The reversal of 89101601 is 10610198.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16443025 + 72658576 = 4055^2 + 8524^2 .

It is a cyclic number.

It is not a de Polignac number, because 89101601 - 2¹⁰ = 89100577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89101603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536206 + ... + 1536263.

It is an arithmetic number, because the mean of its divisors is an integer number (23043525).

Almost surely, 2^89101601 is an apocalyptic number.

It is an amenable number.

89101601 is a deficient number, since it is larger than the sum of its proper divisors (3072499).

89101601 is a wasteful number, since it uses less digits than its factorization.

89101601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072498.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 89101601 is about 9439.3644383507. The cubic root of 89101601 is about 446.6443410415.

Adding to 89101601 its reverse (10610198), we get a palindrome (99711799).

The spelling of 89101601 in words is "eighty-nine million, one hundred one thousand, six hundred one".