261104700 has 72 divisors (see below), whose sum is σ = 799917552. Its totient is φ = 65530880.

The previous prime is 261104681. The next prime is 261104731. The reversal of 261104700 is 7401162.

261104700 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20499 + ... + 30698.

It is an arithmetic number, because the mean of its divisors is an integer number (11109966).

Almost surely, 2^261104700 is an apocalyptic number.

261104700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

261104700 is an abundant number, since it is smaller than the sum of its proper divisors (538812852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261104700 is a wasteful number, since it uses less digits than its factorization.

261104700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51231 (or 51224 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 261104700 is about 16158.7344801504. The cubic root of 261104700 is about 639.1530952898.

Adding to 261104700 its reverse (7401162), we get a palindrome (268505862).

The spelling of 261104700 in words is "two hundred sixty-one million, one hundred four thousand, seven hundred".