261024061 has 8 divisors (see below), whose sum is σ = 275711744. Its totient is φ = 246728160.

The previous prime is 261024019. The next prime is 261024077. The reversal of 261024061 is 160420162.

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

It is a cyclic number.

It is not a de Polignac number, because 261024061 - 2⁹ = 261023549 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 (261024461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96576 + ... + 99241.

It is an arithmetic number, because the mean of its divisors is an integer number (34463968).

Almost surely, 2^261024061 is an apocalyptic number.

It is an amenable number.

261024061 is a deficient number, since it is larger than the sum of its proper divisors (14687683).

261024061 is a wasteful number, since it uses less digits than its factorization.

261024061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195891.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 261024061 is about 16156.2390734973. The cubic root of 261024061 is about 639.0872903039.

The spelling of 261024061 in words is "two hundred sixty-one million, twenty-four thousand, sixty-one".