1461343117 has 4 divisors (see below), whose sum is σ = 1573754140. Its totient is φ = 1348932096.

The previous prime is 1461343109. The next prime is 1461343133. The reversal of 1461343117 is 7113431641.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 586899076 + 874444041 = 24226^2 + 29571^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461343117 - 2³ = 1461343109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461343417) 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, 56205492 + ... + 56205517.

It is an arithmetic number, because the mean of its divisors is an integer number (393438535).

Almost surely, 2^1461343117 is an apocalyptic number.

It is an amenable number.

1461343117 is a deficient number, since it is larger than the sum of its proper divisors (112411023).

1461343117 is a wasteful number, since it uses less digits than its factorization.

1461343117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112411022.

The product of its digits is 6048, while the sum is 31.

The square root of 1461343117 is about 38227.5177980470. The cubic root of 1461343117 is about 1134.7949630595.

Adding to 1461343117 its reverse (7113431641), we get a palindrome (8574774758).

The spelling of 1461343117 in words is "one billion, four hundred sixty-one million, three hundred forty-three thousand, one hundred seventeen".