261451114 has 8 divisors (see below), whose sum is σ = 394230528. Its totient is φ = 130040940.

The previous prime is 261451103. The next prime is 261451123. The reversal of 261451114 is 411154162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341832 + ... + 342595.

It is an arithmetic number, because the mean of its divisors is an integer number (49278816).

Almost surely, 2^261451114 is an apocalyptic number.

261451114 is a deficient number, since it is larger than the sum of its proper divisors (132779414).

261451114 is a wasteful number, since it uses less digits than its factorization.

261451114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684620.

The product of its digits is 960, while the sum is 25.

The square root of 261451114 is about 16169.4500215685. The cubic root of 261451114 is about 639.4356303993.

The spelling of 261451114 in words is "two hundred sixty-one million, four hundred fifty-one thousand, one hundred fourteen".