90125357 has 6 divisors (see below), whose sum is σ = 104839758. Its totient is φ = 77250264.

The previous prime is 90125353. The next prime is 90125363. The reversal of 90125357 is 75352109.

It can be written as a sum of positive squares in only one way, i.e., 83704201 + 6421156 = 9149^2 + 2534^2 .

It is not a de Polignac number, because 90125357 - 2² = 90125353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90125353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 919598 + ... + 919695.

It is an arithmetic number, because the mean of its divisors is an integer number (17473293).

Almost surely, 2^90125357 is an apocalyptic number.

It is an amenable number.

90125357 is a deficient number, since it is larger than the sum of its proper divisors (14714401).

90125357 is a wasteful number, since it uses less digits than its factorization.

90125357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839307 (or 1839300 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 90125357 is about 9493.4375755045. The cubic root of 90125357 is about 448.3484431122.

It can be divided in two parts, 9012 and 5357, that multiplied together give a palindrome (48277284).

The spelling of 90125357 in words is "ninety million, one hundred twenty-five thousand, three hundred fifty-seven".