261470753 has 8 divisors (see below), whose sum is σ = 264346368. Its totient is φ = 258601824.

The previous prime is 261470717. The next prime is 261470773. The reversal of 261470753 is 357074162.

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 261470753 - 2⁶ = 261470689 is a prime.

It is a super-3 number, since 3×261470753³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (261470773) 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, 135725 + ... + 137637.

It is an arithmetic number, because the mean of its divisors is an integer number (33043296).

Almost surely, 2^261470753 is an apocalyptic number.

It is an amenable number.

261470753 is a deficient number, since it is larger than the sum of its proper divisors (2875615).

261470753 is a wasteful number, since it uses less digits than its factorization.

261470753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 261470753 is about 16170.0572973629. The cubic root of 261470753 is about 639.4516404821.

The spelling of 261470753 in words is "two hundred sixty-one million, four hundred seventy thousand, seven hundred fifty-three".