1063531 has 8 divisors (see below), whose sum is σ = 1225440. Its totient is φ = 904128.

The previous prime is 1063529. The next prime is 1063541. The reversal of 1063531 is 1353601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1063531 - 2¹ = 1063529 is a prime.

It is a super-2 number, since 2×1063531² = 2262196375922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1063499 and 1063508.

It is not an unprimeable number, because it can be changed into a prime (1063501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405 + ... + 1513.

It is an arithmetic number, because the mean of its divisors is an integer number (153180).

2^1063531 is an apocalyptic number.

1063531 is a deficient number, since it is larger than the sum of its proper divisors (161909).

1063531 is a wasteful number, since it uses less digits than its factorization.

1063531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1063531 is about 1031.2763936016. The cubic root of 1063531 is about 102.0743722617.

It can be divided in two parts, 1063 and 531, that multiplied together give a triangular number (564453 = T₁₀₆₂).

The spelling of 1063531 in words is "one million, sixty-three thousand, five hundred thirty-one".