1343245561 has 8 divisors (see below), whose sum is σ = 1550337984. Its totient is φ = 1139953200.

The previous prime is 1343245537. The next prime is 1343245591. The reversal of 1343245561 is 1655423431.

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 1343245561 - 2⁷ = 1343245433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343245511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949255 + ... + 950668.

It is an arithmetic number, because the mean of its divisors is an integer number (193792248).

Almost surely, 2^1343245561 is an apocalyptic number.

It is an amenable number.

1343245561 is a deficient number, since it is larger than the sum of its proper divisors (207092423).

1343245561 is a wasteful number, since it uses less digits than its factorization.

1343245561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900031.

The product of its digits is 43200, while the sum is 34.

The square root of 1343245561 is about 36650.3146098366. The cubic root of 1343245561 is about 1103.3631398399.

Adding to 1343245561 its reverse (1655423431), we get a palindrome (2998668992).

The spelling of 1343245561 in words is "one billion, three hundred forty-three million, two hundred forty-five thousand, five hundred sixty-one".