47138597 has 4 divisors (see below), whose sum is σ = 51423936. Its totient is φ = 42853260.

The previous prime is 47138591. The next prime is 47138617. The reversal of 47138597 is 79583174.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47138597 - 2¹² = 47134501 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 (47138591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2142653 + ... + 2142674.

It is an arithmetic number, because the mean of its divisors is an integer number (12855984).

Almost surely, 2^47138597 is an apocalyptic number.

It is an amenable number.

47138597 is a deficient number, since it is larger than the sum of its proper divisors (4285339).

47138597 is a wasteful number, since it uses less digits than its factorization.

47138597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285338.

The product of its digits is 211680, while the sum is 44.

The square root of 47138597 is about 6865.7553845152. The cubic root of 47138597 is about 361.2369921443.

The spelling of 47138597 in words is "forty-seven million, one hundred thirty-eight thousand, five hundred ninety-seven".