1046531 has 4 divisors (see below), whose sum is σ = 1054200. Its totient is φ = 1038864.

The previous prime is 1046527. The next prime is 1046557. The reversal of 1046531 is 1356401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1046531 - 2² = 1046527 is a prime.

It is a super-2 number, since 2×1046531² = 2190454267922, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (1040531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3626 + ... + 3903.

It is an arithmetic number, because the mean of its divisors is an integer number (263550).

2^1046531 is an apocalyptic number.

1046531 is the 458-th centered decagonal number.

1046531 is a deficient number, since it is larger than the sum of its proper divisors (7669).

1046531 is an equidigital number, since it uses as much as digits as its factorization.

1046531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1046531 is about 1023.0009775166. Note that the first 3 decimals coincide. The cubic root of 1046531 is about 101.5275795212.

It can be divided in two parts, 10465 and 31, that multiplied together give a triangular number (324415 = T₈₀₅).

The spelling of 1046531 in words is "one million, forty-six thousand, five hundred thirty-one".