1466531 has 4 divisors (see below), whose sum is σ = 1599864. Its totient is φ = 1333200.

The previous prime is 1466519. The next prime is 1466533. The reversal of 1466531 is 1356641.

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

It is not a de Polignac number, because 1466531 - 2¹⁴ = 1450147 is a prime.

It is a super-2 number, since 2×1466531² = 4301426347922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1466531.

It is not an unprimeable number, because it can be changed into a prime (1466533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66650 + ... + 66671.

It is an arithmetic number, because the mean of its divisors is an integer number (399966).

2^1466531 is an apocalyptic number.

1466531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1466531 is a deficient number, since it is larger than the sum of its proper divisors (133333).

1466531 is a wasteful number, since it uses less digits than its factorization.

1466531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133332.

The product of its digits is 2160, while the sum is 26.

The square root of 1466531 is about 1211.0041288121. The cubic root of 1466531 is about 113.6136247544.

The spelling of 1466531 in words is "one million, four hundred sixty-six thousand, five hundred thirty-one".