90003001 has 4 divisors (see below), whose sum is σ = 98185104. Its totient is φ = 81820900.

The previous prime is 90002993. The next prime is 90003029. The reversal of 90003001 is 10030009.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10030009 = 11 ⋅911819.

It is a cyclic number.

It is not a de Polignac number, because 90003001 - 2³ = 90002993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90003061) 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, 4091035 + ... + 4091056.

It is an arithmetic number, because the mean of its divisors is an integer number (24546276).

Almost surely, 2^90003001 is an apocalyptic number.

It is an amenable number.

90003001 is a deficient number, since it is larger than the sum of its proper divisors (8182103).

90003001 is a wasteful number, since it uses less digits than its factorization.

90003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182102.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 90003001 is about 9486.9911457743. The cubic root of 90003001 is about 448.1454555987.

The spelling of 90003001 in words is "ninety million, three thousand, one".