89452609 has 4 divisors (see below), whose sum is σ = 91355904. Its totient is φ = 87549316.

The previous prime is 89452603. The next prime is 89452613. The reversal of 89452609 is 90625498.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89452609 - 2²³ = 81064001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89452603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951577 + ... + 951670.

It is an arithmetic number, because the mean of its divisors is an integer number (22838976).

Almost surely, 2^89452609 is an apocalyptic number.

It is an amenable number.

89452609 is a deficient number, since it is larger than the sum of its proper divisors (1903295).

89452609 is a wasteful number, since it uses less digits than its factorization.

89452609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903294.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 89452609 is about 9457.9389403823. The cubic root of 89452609 is about 447.2300780591.

Subtracting 89452609 from its reverse (90625498), we obtain a square (1172889 = 1083²).

The spelling of 89452609 in words is "eighty-nine million, four hundred fifty-two thousand, six hundred nine".