263485364 has 12 divisors (see below), whose sum is σ = 461330688. Its totient is φ = 131676600.

The previous prime is 263485361. The next prime is 263485367. The reversal of 263485364 is 463584362.

It is an interprime number because it is at equal distance from previous prime (263485361) and next prime (263485367).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263485361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6932 + ... + 23979.

It is an arithmetic number, because the mean of its divisors is an integer number (38444224).

Almost surely, 2^263485364 is an apocalyptic number.

It is an amenable number.

263485364 is a deficient number, since it is larger than the sum of its proper divisors (197845324).

263485364 is a wasteful number, since it uses less digits than its factorization.

263485364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33046 (or 33044 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The square root of 263485364 is about 16232.2322556080. The cubic root of 263485364 is about 641.0897482158.

The spelling of 263485364 in words is "two hundred sixty-three million, four hundred eighty-five thousand, three hundred sixty-four".