90656125 has 72 divisors (see below), whose sum is σ = 142289784. Its totient is φ = 57456000.

The previous prime is 90656123. The next prime is 90656143. The reversal of 90656125 is 52165609.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20448484 + 70207641 = 4522^2 + 8379^2 .

It is not a de Polignac number, because 90656125 - 2¹ = 90656123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90656123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2211105 + ... + 2211145.

It is an arithmetic number, because the mean of its divisors is an integer number (1976247).

Almost surely, 2^90656125 is an apocalyptic number.

90656125 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

90656125 is a deficient number, since it is larger than the sum of its proper divisors (51633659).

90656125 is a wasteful number, since it uses less digits than its factorization.

90656125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 90656125 is about 9521.3510070788. The cubic root of 90656125 is about 449.2268617439.

The spelling of 90656125 in words is "ninety million, six hundred fifty-six thousand, one hundred twenty-five".