47828245 has 4 divisors (see below), whose sum is σ = 57393900. Its totient is φ = 38262592.

The previous prime is 47828239. The next prime is 47828303. The reversal of 47828245 is 54282874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54282874 = 2 ⋅27141437.

It can be written as a sum of positive squares in 2 ways, for example, as 9375844 + 38452401 = 3062^2 + 6201^2 .

It is a cyclic number.

It is not a de Polignac number, because 47828245 - 2³ = 47828237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47828198 and 47828207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4782820 + ... + 4782829.

It is an arithmetic number, because the mean of its divisors is an integer number (14348475).

Almost surely, 2^47828245 is an apocalyptic number.

It is an amenable number.

47828245 is a deficient number, since it is larger than the sum of its proper divisors (9565655).

47828245 is an equidigital number, since it uses as much as digits as its factorization.

47828245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9565654.

The product of its digits is 143360, while the sum is 40.

The square root of 47828245 is about 6915.7967726069. The cubic root of 47828245 is about 362.9901289223.

The spelling of 47828245 in words is "forty-seven million, eight hundred twenty-eight thousand, two hundred forty-five".