263245260 has 48 divisors (see below), whose sum is σ = 737898336. Its totient is φ = 70121472.

The previous prime is 263245259. The next prime is 263245309. The reversal of 263245260 is 62542362.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 70972 + ... + 74588.

It is an arithmetic number, because the mean of its divisors is an integer number (15372882).

Almost surely, 2^263245260 is an apocalyptic number.

263245260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263245260 is an abundant number, since it is smaller than the sum of its proper divisors (474653076).

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

263245260 is a wasteful number, since it uses less digits than its factorization.

263245260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842 (or 4840 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 263245260 is about 16224.8346678787. The cubic root of 263245260 is about 640.8949556215.

The spelling of 263245260 in words is "two hundred sixty-three million, two hundred forty-five thousand, two hundred sixty".