1560431 has 4 divisors (see below), whose sum is σ = 1567200. Its totient is φ = 1553664.

The previous prime is 1560421. The next prime is 1560443. The reversal of 1560431 is 1340651.

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 1560431 - 2¹⁰ = 1559407 is a prime.

It is a super-2 number, since 2×1560431² = 4869889811522, 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 (1560421) 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, 3026 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (391800).

2^1560431 is an apocalyptic number.

1560431 is a deficient number, since it is larger than the sum of its proper divisors (6769).

1560431 is an equidigital number, since it uses as much as digits as its factorization.

1560431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768.

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

The square root of 1560431 is about 1249.1721258498. The cubic root of 1560431 is about 115.9884798310.

It can be divided in two parts, 1560 and 431, that added together give a palindrome (1991).

The spelling of 1560431 in words is "one million, five hundred sixty thousand, four hundred thirty-one".