261416301 has 8 divisors (see below), whose sum is σ = 351813024. Its totient is φ = 172648560.

The previous prime is 261416297. The next prime is 261416317. The reversal of 261416301 is 103614162.

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

It is not a de Polignac number, because 261416301 - 2² = 261416297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261416371) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 406870 + ... + 407511.

It is an arithmetic number, because the mean of its divisors is an integer number (43976628).

Almost surely, 2^261416301 is an apocalyptic number.

It is an amenable number.

261416301 is a deficient number, since it is larger than the sum of its proper divisors (90396723).

261416301 is a wasteful number, since it uses less digits than its factorization.

261416301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814491.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 261416301 is about 16168.3734803474. The cubic root of 261416301 is about 639.4072482156.

It can be divided in two parts, 2614 and 16301, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 261416301 in words is "two hundred sixty-one million, four hundred sixteen thousand, three hundred one".