920525 has 6 divisors (see below), whose sum is σ = 1141482. Its totient is φ = 736400.

The previous prime is 920519. The next prime is 920539. The reversal of 920525 is 525029.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 23716 + 896809 = 154^2 + 947^2 .

It is not a de Polignac number, because 920525 - 2⁴ = 920509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 920525.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920525.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18386 + ... + 18435.

It is an arithmetic number, because the mean of its divisors is an integer number (190247).

2⁹²⁰⁵²⁵ is an apocalyptic number.

It is an amenable number.

920525 is a deficient number, since it is larger than the sum of its proper divisors (220957).

920525 is a wasteful number, since it uses less digits than its factorization.

920525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36831 (or 36826 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 920525 is about 959.4399407988. The cubic root of 920525 is about 97.2773794348.

The spelling of 920525 in words is "nine hundred twenty thousand, five hundred twenty-five".