261452424 has 32 divisors (see below), whose sum is σ = 654642720. Its totient is φ = 87015936.

The previous prime is 261452381. The next prime is 261452437. The reversal of 261452424 is 424254162.

261452424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 261452391 and 261452400.

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, 8059 + ... + 24245.

It is an arithmetic number, because the mean of its divisors is an integer number (20457585).

Almost surely, 2^261452424 is an apocalyptic number.

261452424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

261452424 is an abundant number, since it is smaller than the sum of its proper divisors (393190296).

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

261452424 is a wasteful number, since it uses less digits than its factorization.

261452424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16869 (or 16865 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 261452424 is about 16169.4905300074. The cubic root of 261452424 is about 639.4366983610.

The spelling of 261452424 in words is "two hundred sixty-one million, four hundred fifty-two thousand, four hundred twenty-four".