1300825 has 12 divisors (see below), whose sum is σ = 1641388. Its totient is φ = 1022400.

The previous prime is 1300813. The next prime is 1300829. The reversal of 1300825 is 5280031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 559504 + 741321 = 748^2 + 861^2 .

It is not a de Polignac number, because 1300825 - 2¹³ = 1292633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1300829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1099 + ... + 1951.

2^1300825 is an apocalyptic number.

1300825 is the 610-th nonagonal number.

It is an amenable number.

1300825 is a deficient number, since it is larger than the sum of its proper divisors (340563).

1300825 is an equidigital number, since it uses as much as digits as its factorization.

1300825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1300825 is about 1140.5371541515. The cubic root of 1300825 is about 109.1623705812.

Adding to 1300825 its reverse (5280031), we get a palindrome (6580856).

The spelling of 1300825 in words is "one million, three hundred thousand, eight hundred twenty-five".