261627 has 8 divisors (see below), whose sum is σ = 358416. Its totient is φ = 169632.

The previous prime is 261619. The next prime is 261631. The reversal of 261627 is 726162.

It is a happy number.

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

It is not a de Polignac number, because 261627 - 2³ = 261619 is a prime.

261627 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 261597 and 261606.

It is not an unprimeable number, because it can be changed into a prime (261637) 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, 1068 + ... + 1289.

It is an arithmetic number, because the mean of its divisors is an integer number (44802).

2²⁶¹⁶²⁷ is an apocalyptic number.

261627 is a deficient number, since it is larger than the sum of its proper divisors (96789).

261627 is a wasteful number, since it uses less digits than its factorization.

261627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397.

The product of its digits is 1008, while the sum is 24.

The square root of 261627 is about 511.4948680094. The cubic root of 261627 is about 63.9578987428.

Adding to 261627 its reverse (726162), we get a palindrome (987789).

It can be divided in two parts, 261 and 627, that added together give a palindrome (888).

The spelling of 261627 in words is "two hundred sixty-one thousand, six hundred twenty-seven".