920394525 has 24 divisors (see below), whose sum is σ = 1522670400. Its totient is φ = 490570240.

The previous prime is 920394521. The next prime is 920394613. The reversal of 920394525 is 525493029.

It is not a de Polignac number, because 920394525 - 2² = 920394521 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920394521) 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 23 ways as a sum of consecutive naturals, for example, 167776 + ... + 173174.

It is an arithmetic number, because the mean of its divisors is an integer number (63444600).

Almost surely, 2^920394525 is an apocalyptic number.

It is an amenable number.

920394525 is a deficient number, since it is larger than the sum of its proper divisors (602275875).

920394525 is a wasteful number, since it uses less digits than its factorization.

920394525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685 (or 7680 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 920394525 is about 30338.0046311553. The cubic root of 920394525 is about 972.7278319329.

The spelling of 920394525 in words is "nine hundred twenty million, three hundred ninety-four thousand, five hundred twenty-five".