260249535 has 96 divisors (see below), whose sum is σ = 566966400. Its totient is φ = 109734912.

The previous prime is 260249519. The next prime is 260249537. The reversal of 260249535 is 535942062.

260249535 is a `hidden beast` number, since 2 + 602 + 49 + 5 + 3 + 5 = 666.

It is not a de Polignac number, because 260249535 - 2⁴ = 260249519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260249535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260249537) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 200007 + ... + 201303.

It is an arithmetic number, because the mean of its divisors is an integer number (5905900).

Almost surely, 2^260249535 is an apocalyptic number.

260249535 is an abundant number, since it is smaller than the sum of its proper divisors (306716865).

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

260249535 is a wasteful number, since it uses less digits than its factorization.

260249535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 260249535 is about 16132.2513927846. The cubic root of 260249535 is about 638.4545515480.

The spelling of 260249535 in words is "two hundred sixty million, two hundred forty-nine thousand, five hundred thirty-five".