1461331 has 4 divisors (see below), whose sum is σ = 1469952. Its totient is φ = 1452712.

The previous prime is 1461329. The next prime is 1461349. The reversal of 1461331 is 1331641.

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 1461331 - 2¹ = 1461329 is a prime.

It is a super-2 number, since 2×1461331² = 4270976583122, 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 = 1461299 and 1461308.

It is not an unprimeable number, because it can be changed into a prime (1461301) 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, 4051 + ... + 4396.

It is an arithmetic number, because the mean of its divisors is an integer number (367488).

2^1461331 is an apocalyptic number.

1461331 is a deficient number, since it is larger than the sum of its proper divisors (8621).

1461331 is an equidigital number, since it uses as much as digits as its factorization.

1461331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620.

The product of its digits is 216, while the sum is 19.

The square root of 1461331 is about 1208.8552436086. The cubic root of 1461331 is about 113.4791826596.

Adding to 1461331 its reverse (1331641), we get a palindrome (2792972).

The spelling of 1461331 in words is "one million, four hundred sixty-one thousand, three hundred thirty-one".