47020313 has 2 divisors, whose sum is σ = 47020314. Its totient is φ = 47020312.

The previous prime is 47020301. The next prime is 47020327. The reversal of 47020313 is 31302074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37552384 + 9467929 = 6128^2 + 3077^2 .

It is a cyclic number.

It is not a de Polignac number, because 47020313 - 2⁴ = 47020297 is a prime.

It is not a weakly prime, because it can be changed into another prime (47020333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23510156 + 23510157.

It is an arithmetic number, because the mean of its divisors is an integer number (23510157).

Almost surely, 2^47020313 is an apocalyptic number.

It is an amenable number.

47020313 is a deficient number, since it is larger than the sum of its proper divisors (1).

47020313 is an equidigital number, since it uses as much as digits as its factorization.

47020313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 47020313 is about 6857.1359181513. The cubic root of 47020313 is about 360.9345906564.

Adding to 47020313 its reverse (31302074), we get a palindrome (78322387).

The spelling of 47020313 in words is "forty-seven million, twenty thousand, three hundred thirteen".