261000607 has 12 divisors (see below), whose sum is σ = 304184376. Its totient is φ = 223293840.

The previous prime is 261000569. The next prime is 261000611. The reversal of 261000607 is 706000162.

It is not a de Polignac number, because 261000607 - 2¹¹ = 260998559 is a prime.

It is a super-3 number, since 3×261000607³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261000617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22857 + ... + 32317.

It is an arithmetic number, because the mean of its divisors is an integer number (25348698).

Almost surely, 2^261000607 is an apocalyptic number.

261000607 is a deficient number, since it is larger than the sum of its proper divisors (43183769).

261000607 is an equidigital number, since it uses as much as digits as its factorization.

261000607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10038 (or 10031 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 261000607 is about 16155.5132075710. The cubic root of 261000607 is about 639.0681482598.

Adding to 261000607 its reverse (706000162), we get a palindrome (967000769).

The spelling of 261000607 in words is "two hundred sixty-one million, six hundred seven", and thus it is an aban number.