1040625 has 36 divisors (see below), whose sum is σ = 1929564. Its totient is φ = 540000.

The previous prime is 1040597. The next prime is 1040629. The reversal of 1040625 is 5260401.

It is a happy number.

1040625 is a `hidden beast` number, since 1 + 0 + 40 + 625 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 651249 + 389376 = 807^2 + 624^2 .

It is not a de Polignac number, because 1040625 - 2⁹ = 1040113 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1040598 and 1040607.

It is not an unprimeable number, because it can be changed into a prime (1040629) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28107 + ... + 28143.

It is an arithmetic number, because the mean of its divisors is an integer number (53599).

2^1040625 is an apocalyptic number.

1040625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040625 is a deficient number, since it is larger than the sum of its proper divisors (888939).

1040625 is an frugal number, since it uses more digits than its factorization.

1040625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1040625 is about 1020.1102881552. The cubic root of 1040625 is about 101.3362319789.

The spelling of 1040625 in words is "one million, forty thousand, six hundred twenty-five".