90025306 has 32 divisors (see below), whose sum is σ = 164021760. Its totient is φ = 36198576.

The previous prime is 90025283. The next prime is 90025307. The reversal of 90025306 is 60352009.

It is not an unprimeable number, because it can be changed into a prime (90025307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26881 + ... + 30043.

It is an arithmetic number, because the mean of its divisors is an integer number (5125680).

Almost surely, 2^90025306 is an apocalyptic number.

90025306 is a deficient number, since it is larger than the sum of its proper divisors (73996454).

90025306 is a wasteful number, since it uses less digits than its factorization.

90025306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 90025306 is about 9488.1666300714. The cubic root of 90025306 is about 448.1824731006.

The spelling of 90025306 in words is "ninety million, twenty-five thousand, three hundred six".