5431345 has 8 divisors (see below), whose sum is σ = 6575976. Its totient is φ = 4306176.

The previous prime is 5431339. The next prime is 5431369.

5431345 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 665856 + 4765489 = 816^2 + 2183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5431345 - 2³ = 5431337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4242 + ... + 5371.

It is an arithmetic number, because the mean of its divisors is an integer number (821997).

Almost surely, 2^5431345 is an apocalyptic number.

It is an amenable number.

5431345 is a deficient number, since it is larger than the sum of its proper divisors (1144631).

5431345 is a wasteful number, since it uses less digits than its factorization.

5431345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9731.

The product of its digits is 3600, while the sum is 25.

The square root of 5431345 is about 2330.5246190504. The cubic root of 5431345 is about 175.7798663957.

It can be divided in two parts, 5431 and 345, that added together give a square (5776 = 76²).

The spelling of 5431345 in words is "five million, four hundred thirty-one thousand, three hundred forty-five".