47025813 has 8 divisors (see below), whose sum is σ = 62732800. Its totient is φ = 31334688.

The previous prime is 47025809. The next prime is 47025829. The reversal of 47025813 is 31852074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47025813 - 2² = 47025809 is a prime.

It is a super-2 number, since 2×47025813² = 4422854176621938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47025833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9228 + ... + 13386.

It is an arithmetic number, because the mean of its divisors is an integer number (7841600).

Almost surely, 2^47025813 is an apocalyptic number.

It is an amenable number.

47025813 is a deficient number, since it is larger than the sum of its proper divisors (15706987).

47025813 is a wasteful number, since it uses less digits than its factorization.

47025813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 47025813 is about 6857.5369484969. The cubic root of 47025813 is about 360.9486630344.

Adding to 47025813 its reverse (31852074), we get a palindrome (78877887).

The spelling of 47025813 in words is "forty-seven million, twenty-five thousand, eight hundred thirteen".