47842825 has 24 divisors (see below), whose sum is σ = 60820760. Its totient is φ = 37324800.

The previous prime is 47842819. The next prime is 47842843. The reversal of 47842825 is 52824874.

It can be written as a sum of positive squares in 12 ways, for example, as 24571849 + 23270976 = 4957^2 + 4824^2 .

It is not a de Polignac number, because 47842825 - 2¹¹ = 47840777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264235 + ... + 264415.

Almost surely, 2^47842825 is an apocalyptic number.

It is an amenable number.

47842825 is a deficient number, since it is larger than the sum of its proper divisors (12977935).

47842825 is a wasteful number, since it uses less digits than its factorization.

47842825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 392 counting only the distinct ones).

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

The square root of 47842825 is about 6916.8508007619. The cubic root of 47842825 is about 363.0270099075.

The spelling of 47842825 in words is "forty-seven million, eight hundred forty-two thousand, eight hundred twenty-five".