89125649 has 4 divisors (see below), whose sum is σ = 90199536. Its totient is φ = 88051764.

The previous prime is 89125643. The next prime is 89125657. The reversal of 89125649 is 94652198.

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 89125649 - 2⁴ = 89125633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89125643) 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, 536819 + ... + 536984.

It is an arithmetic number, because the mean of its divisors is an integer number (22549884).

Almost surely, 2^89125649 is an apocalyptic number.

It is an amenable number.

89125649 is a deficient number, since it is larger than the sum of its proper divisors (1073887).

89125649 is a wasteful number, since it uses less digits than its factorization.

89125649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073886.

The product of its digits is 155520, while the sum is 44.

The square root of 89125649 is about 9440.6381669885. The cubic root of 89125649 is about 446.6845196572.

The spelling of 89125649 in words is "eighty-nine million, one hundred twenty-five thousand, six hundred forty-nine".