47825397 has 10 divisors (see below), whose sum is σ = 71442998. Its totient is φ = 31883544.

The previous prime is 47825389. The next prime is 47825429. The reversal of 47825397 is 79352874.

It can be written as a sum of positive squares in only one way, i.e., 36796356 + 11029041 = 6066^2 + 3321^2 .

It is not a de Polignac number, because 47825397 - 2³ = 47825389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47825377) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 295138 + ... + 295299.

Almost surely, 2^47825397 is an apocalyptic number.

It is an amenable number.

47825397 is a deficient number, since it is larger than the sum of its proper divisors (23617601).

47825397 is an equidigital number, since it uses as much as digits as its factorization.

47825397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590449 (or 590440 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 47825397 is about 6915.5908641272. The cubic root of 47825397 is about 362.9829238603.

The spelling of 47825397 in words is "forty-seven million, eight hundred twenty-five thousand, three hundred ninety-seven".