261196752 has 40 divisors (see below), whose sum is σ = 683309440. Its totient is φ = 85962240.

The previous prime is 261196751. The next prime is 261196757. The reversal of 261196752 is 257691162.

261196752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 261196752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261196751) 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, 30649 + ... + 38232.

It is an arithmetic number, because the mean of its divisors is an integer number (17082736).

Almost surely, 2^261196752 is an apocalyptic number.

It is an amenable number.

261196752 is an abundant number, since it is smaller than the sum of its proper divisors (422112688).

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

261196752 is a wasteful number, since it uses less digits than its factorization.

261196752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68971 (or 68965 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 261196752 is about 16161.5825957732. The cubic root of 261196752 is about 639.2281972291.

The spelling of 261196752 in words is "two hundred sixty-one million, one hundred ninety-six thousand, seven hundred fifty-two".