260005530 has 32 divisors (see below), whose sum is σ = 626335488. Its totient is φ = 69076800.

The previous prime is 260005523. The next prime is 260005583. The reversal of 260005530 is 35500062.

It is a super-3 number, since 3×260005530³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260005497 and 260005506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7861 + ... + 24120.

It is an arithmetic number, because the mean of its divisors is an integer number (19572984).

Almost surely, 2^260005530 is an apocalyptic number.

260005530 is an abundant number, since it is smaller than the sum of its proper divisors (366329958).

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

260005530 is a wasteful number, since it uses less digits than its factorization.

260005530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32262.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 260005530 is about 16124.6869737059. The cubic root of 260005530 is about 638.2549548858.

Adding to 260005530 its reverse (35500062), we get a palindrome (295505592).

The spelling of 260005530 in words is "two hundred sixty million, five thousand, five hundred thirty".