260629117 has 4 divisors (see below), whose sum is σ = 297861856. Its totient is φ = 223396380.

The previous prime is 260629079. The next prime is 260629151. The reversal of 260629117 is 711926062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 711926062 = 2 ⋅355963031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260629117 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 (260629717) 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, 18616359 + ... + 18616372.

It is an arithmetic number, because the mean of its divisors is an integer number (74465464).

Almost surely, 2^260629117 is an apocalyptic number.

It is an amenable number.

260629117 is a deficient number, since it is larger than the sum of its proper divisors (37232739).

260629117 is an equidigital number, since it uses as much as digits as its factorization.

260629117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37232738.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 260629117 is about 16144.0118000452. The cubic root of 260629117 is about 638.7648026665.

The spelling of 260629117 in words is "two hundred sixty million, six hundred twenty-nine thousand, one hundred seventeen".