90254203 has 4 divisors (see below), whose sum is σ = 97196848. Its totient is φ = 83311560.

The previous prime is 90254191. The next prime is 90254209. The reversal of 90254203 is 30245209.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30245209 = 919 ⋅32911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90254203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90254209) 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, 3471303 + ... + 3471328.

It is an arithmetic number, because the mean of its divisors is an integer number (24299212).

Almost surely, 2^90254203 is an apocalyptic number.

90254203 is a deficient number, since it is larger than the sum of its proper divisors (6942645).

90254203 is a wasteful number, since it uses less digits than its factorization.

90254203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942644.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 90254203 is about 9500.2212079509. The cubic root of 90254203 is about 448.5619989798.

The spelling of 90254203 in words is "ninety million, two hundred fifty-four thousand, two hundred three".