90000529 has 4 divisors (see below), whose sum is σ = 90021184. Its totient is φ = 89979876.

The previous prime is 90000479. The next prime is 90000551. The reversal of 90000529 is 92500009.

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 90000529 - 2⁷ = 90000401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90006529) 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, 957 + ... + 13450.

It is an arithmetic number, because the mean of its divisors is an integer number (22505296).

Almost surely, 2^90000529 is an apocalyptic number.

It is an amenable number.

90000529 is a deficient number, since it is larger than the sum of its proper divisors (20655).

90000529 is a wasteful number, since it uses less digits than its factorization.

90000529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20654.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 90000529 is about 9486.8608612122. The cubic root of 90000529 is about 448.1413526774.

It can be divided in two parts, 90000 and 529, that multiplied together give a square (47610000 = 6900²).

The spelling of 90000529 in words is "ninety million, five hundred twenty-nine", and thus it is an aban number.