1036521 has 18 divisors (see below), whose sum is σ = 1563198. Its totient is φ = 661440.

The previous prime is 1036513. The next prime is 1036531. The reversal of 1036521 is 1256301.

1036521 is a `hidden beast` number, since 10 + 3 + 652 + 1 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 114921 + 921600 = 339^2 + 960^2 .

It is not a de Polignac number, because 1036521 - 2³ = 1036513 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1036494 and 1036503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1036531) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19531 + ... + 19583.

2^1036521 is an apocalyptic number.

It is an amenable number.

1036521 is a deficient number, since it is larger than the sum of its proper divisors (526677).

1036521 is an equidigital number, since it uses as much as digits as its factorization.

1036521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1036521 is about 1018.0967537518. The cubic root of 1036521 is about 101.2028404063.

The spelling of 1036521 in words is "one million, thirty-six thousand, five hundred twenty-one".