261126753 has 8 divisors (see below), whose sum is σ = 349065600. Its totient is φ = 173636208.

The previous prime is 261126731. The next prime is 261126769. The reversal of 261126753 is 357621162.

261126753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 261126753 - 2⁹ = 261126241 is a prime.

It is a super-2 number, since 2×261126753² = 136374362264646018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (261126053) 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, 110713 + ... + 113046.

It is an arithmetic number, because the mean of its divisors is an integer number (43633200).

Almost surely, 2^261126753 is an apocalyptic number.

It is an amenable number.

261126753 is a deficient number, since it is larger than the sum of its proper divisors (87938847).

261126753 is a wasteful number, since it uses less digits than its factorization.

261126753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224151.

The product of its digits is 15120, while the sum is 33.

The square root of 261126753 is about 16159.4168521021. The cubic root of 261126753 is about 639.1710891525.

The spelling of 261126753 in words is "two hundred sixty-one million, one hundred twenty-six thousand, seven hundred fifty-three".