261730114 has 4 divisors (see below), whose sum is σ = 392595174. Its totient is φ = 130865056.

The previous prime is 261730093. The next prime is 261730129. The reversal of 261730114 is 411037162.

261730114 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 411037162 = 2 ⋅205518581.

It can be written as a sum of positive squares in only one way, i.e., 251381025 + 10349089 = 15855^2 + 3217^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65432527 + ... + 65432530.

Almost surely, 2^261730114 is an apocalyptic number.

261730114 is a deficient number, since it is larger than the sum of its proper divisors (130865060).

261730114 is a wasteful number, since it uses less digits than its factorization.

261730114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130865059.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 261730114 is about 16178.0751018160. The cubic root of 261730114 is about 639.6630012919.

Adding to 261730114 its reverse (411037162), we get a palindrome (672767276).

The spelling of 261730114 in words is "two hundred sixty-one million, seven hundred thirty thousand, one hundred fourteen".