247433532 has 12 divisors (see below), whose sum is σ = 577344936. Its totient is φ = 82477840.

The previous prime is 247433531. The next prime is 247433579. The reversal of 247433532 is 235334742.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×247433532² = 122446705515990048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247433493 and 247433502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247433531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10309719 + ... + 10309742.

It is an arithmetic number, because the mean of its divisors is an integer number (48112078).

Almost surely, 2^247433532 is an apocalyptic number.

It is an amenable number.

247433532 is an abundant number, since it is smaller than the sum of its proper divisors (329911404).

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

247433532 is a wasteful number, since it uses less digits than its factorization.

247433532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20619468 (or 20619466 counting only the distinct ones).

The product of its digits is 60480, while the sum is 33.

The square root of 247433532 is about 15730.0200889891. The cubic root of 247433532 is about 627.7974078413.

The spelling of 247433532 in words is "two hundred forty-seven million, four hundred thirty-three thousand, five hundred thirty-two".