47253631 has 4 divisors (see below), whose sum is σ = 48054600. Its totient is φ = 46452664.

The previous prime is 47253617. The next prime is 47253653. The reversal of 47253631 is 13635274.

47253631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47253631 - 2⁵ = 47253599 is a prime.

It is a super-2 number, since 2×47253631² = 4465811285368322, 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 = 47253593 and 47253602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47253611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400396 + ... + 400513.

It is an arithmetic number, because the mean of its divisors is an integer number (12013650).

Almost surely, 2^47253631 is an apocalyptic number.

47253631 is a deficient number, since it is larger than the sum of its proper divisors (800969).

47253631 is an equidigital number, since it uses as much as digits as its factorization.

47253631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800968.

The product of its digits is 15120, while the sum is 31.

The square root of 47253631 is about 6874.1276537463. The cubic root of 47253631 is about 361.5305999463.

The spelling of 47253631 in words is "forty-seven million, two hundred fifty-three thousand, six hundred thirty-one".