263025980 has 24 divisors (see below), whose sum is σ = 631262688. Its totient is φ = 90180288.

The previous prime is 263025941. The next prime is 263025991. The reversal of 263025980 is 89520362.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 263025980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939239 + ... + 939518.

It is an arithmetic number, because the mean of its divisors is an integer number (26302612).

Almost surely, 2^263025980 is an apocalyptic number.

263025980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263025980 is an abundant number, since it is smaller than the sum of its proper divisors (368236708).

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

263025980 is a wasteful number, since it uses less digits than its factorization.

263025980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878773 (or 1878771 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 263025980 is about 16218.0757181609. The cubic root of 263025980 is about 640.7169537012.

The spelling of 263025980 in words is "two hundred sixty-three million, twenty-five thousand, nine hundred eighty".