662525 has 6 divisors (see below), whose sum is σ = 821562. Its totient is φ = 530000.

The previous prime is 662513. The next prime is 662527. The reversal of 662525 is 525266.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19321 + 643204 = 139^2 + 802^2 .

It is not a de Polignac number, because 662525 - 2¹⁸ = 400381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 662494 and 662503.

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 662525.

It is not an unprimeable number, because it can be changed into a prime (662527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13226 + ... + 13275.

It is an arithmetic number, because the mean of its divisors is an integer number (136927).

2⁶⁶²⁵²⁵ is an apocalyptic number.

It is an amenable number.

662525 is a deficient number, since it is larger than the sum of its proper divisors (159037).

662525 is a wasteful number, since it uses less digits than its factorization.

662525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26511 (or 26506 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 662525 is about 813.9563870380. The cubic root of 662525 is about 87.1767665988.

The spelling of 662525 in words is "six hundred sixty-two thousand, five hundred twenty-five".