90025546 has 16 divisors (see below), whose sum is σ = 146087424. Its totient is φ = 41361264.

The previous prime is 90025543. The next prime is 90025549. The reversal of 90025546 is 64552009.

It is an interprime number because it is at equal distance from previous prime (90025543) and next prime (90025549).

It is not an unprimeable number, because it can be changed into a prime (90025543) 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, 1966 + ... + 13561.

It is an arithmetic number, because the mean of its divisors is an integer number (9130464).

Almost surely, 2^90025546 is an apocalyptic number.

90025546 is a deficient number, since it is larger than the sum of its proper divisors (56061878).

90025546 is a wasteful number, since it uses less digits than its factorization.

90025546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15765.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 90025546 is about 9488.1792773956. The cubic root of 90025546 is about 448.1828713726.

The spelling of 90025546 in words is "ninety million, twenty-five thousand, five hundred forty-six".