261107652 has 48 divisors (see below), whose sum is σ = 690656960. Its totient is φ = 76111488.

The previous prime is 261107629. The next prime is 261107657. The reversal of 261107652 is 256701162.

261107652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (261107657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41083 + ... + 47010.

Almost surely, 2^261107652 is an apocalyptic number.

It is an amenable number.

261107652 is an abundant number, since it is smaller than the sum of its proper divisors (429549308).

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

261107652 is a wasteful number, since it uses less digits than its factorization.

261107652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88132 (or 88130 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 261107652 is about 16158.8258236791. The cubic root of 261107652 is about 639.1555039951.

The spelling of 261107652 in words is "two hundred sixty-one million, one hundred seven thousand, six hundred fifty-two".