47313506 has 4 divisors (see below), whose sum is σ = 70970262. Its totient is φ = 23656752.

The previous prime is 47313503. The next prime is 47313509. The reversal of 47313506 is 60531374.

47313506 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 an interprime number because it is at equal distance from previous prime (47313503) and next prime (47313509).

It can be written as a sum of positive squares in only one way, i.e., 44769481 + 2544025 = 6691^2 + 1595^2 .

It is not an unprimeable number, because it can be changed into a prime (47313503) 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 as a sum of consecutive naturals, namely, 11828375 + ... + 11828378.

Almost surely, 2^47313506 is an apocalyptic number.

47313506 is a deficient number, since it is larger than the sum of its proper divisors (23656756).

47313506 is a wasteful number, since it uses less digits than its factorization.

47313506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23656755.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 47313506 is about 6878.4813730939. The cubic root of 47313506 is about 361.6832337781.

The spelling of 47313506 in words is "forty-seven million, three hundred thirteen thousand, five hundred six".