263485274 has 16 divisors (see below), whose sum is σ = 448032480. Its totient is φ = 115207920.

The previous prime is 263485273. The next prime is 263485279. The reversal of 263485274 is 472584362.

263485274 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×263485274² = 138848979229710152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (263485273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266192 + ... + 267179.

It is an arithmetic number, because the mean of its divisors is an integer number (28002030).

Almost surely, 2^263485274 is an apocalyptic number.

263485274 is a deficient number, since it is larger than the sum of its proper divisors (184547206).

263485274 is a wasteful number, since it uses less digits than its factorization.

263485274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533405.

The product of its digits is 322560, while the sum is 41.

The square root of 263485274 is about 16232.2294833458. The cubic root of 263485274 is about 641.0896752224.

The spelling of 263485274 in words is "two hundred sixty-three million, four hundred eighty-five thousand, two hundred seventy-four".