1461431 has 4 divisors (see below), whose sum is σ = 1465200. Its totient is φ = 1457664.

The previous prime is 1461419. The next prime is 1461437. The reversal of 1461431 is 1341641.

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 1461431 - 2⁶ = 1461367 is a prime.

It is a super-2 number, since 2×1461431² = 4271561135522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461437) 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, 1226 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (366300).

2^1461431 is an apocalyptic number.

1461431 is a deficient number, since it is larger than the sum of its proper divisors (3769).

1461431 is an equidigital number, since it uses as much as digits as its factorization.

1461431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768.

The product of its digits is 288, while the sum is 20.

The square root of 1461431 is about 1208.8966043463. The cubic root of 1461431 is about 113.4817710897.

The spelling of 1461431 in words is "one million, four hundred sixty-one thousand, four hundred thirty-one".