541645247 has 24 divisors (see below), whose sum is σ = 645741600. Its totient is φ = 451281600.

The previous prime is 541645231. The next prime is 541645253. The reversal of 541645247 is 742546145.

It is a happy number.

541645247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 541645247 - 2⁴ = 541645231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 541645247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541645207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233222 + ... + 235532.

It is an arithmetic number, because the mean of its divisors is an integer number (26905900).

Almost surely, 2^541645247 is an apocalyptic number.

541645247 is a deficient number, since it is larger than the sum of its proper divisors (104096353).

541645247 is a wasteful number, since it uses less digits than its factorization.

541645247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2484 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 541645247 is about 23273.2732334753. The cubic root of 541645247 is about 815.1514626850.

The spelling of 541645247 in words is "five hundred forty-one million, six hundred forty-five thousand, two hundred forty-seven".