90010025 has 12 divisors (see below), whose sum is σ = 127557312. Its totient is φ = 61721040.

The previous prime is 90010009. The next prime is 90010027. The reversal of 90010025 is 52001009.

It is not a de Polignac number, because 90010025 - 2⁴ = 90010009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90009985 and 90010012.

It is not an unprimeable number, because it can be changed into a prime (90010027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256997 + ... + 257346.

It is an arithmetic number, because the mean of its divisors is an integer number (10629776).

Almost surely, 2^90010025 is an apocalyptic number.

It is an amenable number.

90010025 is a deficient number, since it is larger than the sum of its proper divisors (37547287).

90010025 is a wasteful number, since it uses less digits than its factorization.

90010025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514360 (or 514355 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 90010025 is about 9487.3613296849. The cubic root of 90010025 is about 448.1571133278.

The spelling of 90010025 in words is "ninety million, ten thousand, twenty-five".