90259005 has 8 divisors (see below), whose sum is σ = 144414432. Its totient is φ = 48138128.

The previous prime is 90258997. The next prime is 90259009. The reversal of 90259005 is 50095209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90259005 - 2³ = 90258997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90259009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3008619 + ... + 3008648.

It is an arithmetic number, because the mean of its divisors is an integer number (18051804).

Almost surely, 2^90259005 is an apocalyptic number.

It is an amenable number.

90259005 is a deficient number, since it is larger than the sum of its proper divisors (54155427).

90259005 is a wasteful number, since it uses less digits than its factorization.

90259005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017275.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 90259005 is about 9500.4739355466. The cubic root of 90259005 is about 448.5699541274.

The spelling of 90259005 in words is "ninety million, two hundred fifty-nine thousand, five".