1307442617 has 4 divisors (see below), whose sum is σ = 1408015140. Its totient is φ = 1206870096.

The previous prime is 1307442599. The next prime is 1307442673. The reversal of 1307442617 is 7162447031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7162447031 = 113 ⋅63384487.

It can be written as a sum of positive squares in 2 ways, for example, as 747694336 + 559748281 = 27344^2 + 23659^2 .

It is a cyclic number.

It is not a de Polignac number, because 1307442617 - 2⁶ = 1307442553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1307442217) 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, 50286242 + ... + 50286267.

It is an arithmetic number, because the mean of its divisors is an integer number (352003785).

Almost surely, 2^1307442617 is an apocalyptic number.

It is an amenable number.

1307442617 is a deficient number, since it is larger than the sum of its proper divisors (100572523).

1307442617 is a wasteful number, since it uses less digits than its factorization.

1307442617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100572522.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1307442617 is about 36158.5759813630. The cubic root of 1307442617 is about 1093.4716951254.

Adding to 1307442617 its reverse (7162447031), we get a palindrome (8469889648).

The spelling of 1307442617 in words is "one billion, three hundred seven million, four hundred forty-two thousand, six hundred seventeen".