340143325 has 6 divisors (see below), whose sum is σ = 421777754. Its totient is φ = 272114640.

The previous prime is 340143313. The next prime is 340143341. The reversal of 340143325 is 523341043.

It can be written as a sum of positive squares in 3 ways, for example, as 69672409 + 270470916 = 8347^2 + 16446^2 .

It is not a de Polignac number, because 340143325 - 2¹⁵ = 340110557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 13605733 = 340143325 / (3 + 4 + 0 + 1 + 4 + 3 + 3 + 2 + 5).

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 340143325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6802842 + ... + 6802891.

Almost surely, 2^340143325 is an apocalyptic number.

It is an amenable number.

340143325 is a deficient number, since it is larger than the sum of its proper divisors (81634429).

340143325 is a wasteful number, since it uses less digits than its factorization.

340143325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13605743 (or 13605738 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 340143325 is about 18442.9749498285. The cubic root of 340143325 is about 698.0512636027.

Adding to 340143325 its reverse (523341043), we get a palindrome (863484368).

The spelling of 340143325 in words is "three hundred forty million, one hundred forty-three thousand, three hundred twenty-five".