89521461 has 6 divisors (see below), whose sum is σ = 129308790. Its totient is φ = 59680968.

The previous prime is 89521429. The next prime is 89521469. The reversal of 89521461 is 16412598.

It can be written as a sum of positive squares in only one way, i.e., 75794436 + 13727025 = 8706^2 + 3705^2 .

It is not a de Polignac number, because 89521461 - 2⁵ = 89521429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89521469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4973406 + ... + 4973423.

It is an arithmetic number, because the mean of its divisors is an integer number (21551465).

Almost surely, 2^89521461 is an apocalyptic number.

It is an amenable number.

89521461 is a deficient number, since it is larger than the sum of its proper divisors (39787329).

89521461 is a wasteful number, since it uses less digits than its factorization.

89521461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9946835 (or 9946832 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 89521461 is about 9461.5781453202. The cubic root of 89521461 is about 447.3447935070.

The spelling of 89521461 in words is "eighty-nine million, five hundred twenty-one thousand, four hundred sixty-one".