261741411 has 12 divisors (see below), whose sum is σ = 378211392. Its totient is φ = 174429456.

The previous prime is 261741409. The next prime is 261741421. The reversal of 261741411 is 114147162.

261741411 is a `hidden beast` number, since 2 + 617 + 4 + 1 + 41 + 1 = 666.

It is not a de Polignac number, because 261741411 - 2¹ = 261741409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (261741421) 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, 42925 + ... + 48641.

It is an arithmetic number, because the mean of its divisors is an integer number (31517616).

Almost surely, 2^261741411 is an apocalyptic number.

261741411 is a deficient number, since it is larger than the sum of its proper divisors (116469981).

261741411 is a wasteful number, since it uses less digits than its factorization.

261741411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10810 (or 10807 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 261741411 is about 16178.4242434175. The cubic root of 261741411 is about 639.6722043712.

Adding to 261741411 its reverse (114147162), we get a palindrome (375888573).

The spelling of 261741411 in words is "two hundred sixty-one million, seven hundred forty-one thousand, four hundred eleven".