47253431 has 8 divisors (see below), whose sum is σ = 50455680. Its totient is φ = 44146872.

The previous prime is 47253379. The next prime is 47253433. The reversal of 47253431 is 13435274.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47253431 - 2²² = 43059127 is a prime.

It is a super-2 number, since 2×47253431² = 4465773482543522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47253394 and 47253403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47253433) 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, 22901 + ... + 24878.

It is an arithmetic number, because the mean of its divisors is an integer number (6306960).

Almost surely, 2^47253431 is an apocalyptic number.

47253431 is a deficient number, since it is larger than the sum of its proper divisors (3202249).

47253431 is a wasteful number, since it uses less digits than its factorization.

47253431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47845.

The product of its digits is 10080, while the sum is 29.

The square root of 47253431 is about 6874.1131064305. The cubic root of 47253431 is about 361.5300898887.

The spelling of 47253431 in words is "forty-seven million, two hundred fifty-three thousand, four hundred thirty-one".