89609503 has 2 divisors, whose sum is σ = 89609504. Its totient is φ = 89609502.

The previous prime is 89609467. The next prime is 89609521. The reversal of 89609503 is 30590698.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89609503 - 2²¹ = 87512351 is a prime.

It is equal to p_5195776 and since 89609503 and 5195776 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89609543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44804751 + 44804752.

It is an arithmetic number, because the mean of its divisors is an integer number (44804752).

Almost surely, 2^89609503 is an apocalyptic number.

89609503 is a deficient number, since it is larger than the sum of its proper divisors (1).

89609503 is an equidigital number, since it uses as much as digits as its factorization.

89609503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 89609503 is about 9466.2296084555. The cubic root of 89609503 is about 447.4913960665.

The spelling of 89609503 in words is "eighty-nine million, six hundred nine thousand, five hundred three".