47490413 has 2 divisors, whose sum is σ = 47490414. Its totient is φ = 47490412.

The previous prime is 47490383. The next prime is 47490449. The reversal of 47490413 is 31409474.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44382244 + 3108169 = 6662^2 + 1763^2 .

It is a cyclic number.

It is not a de Polignac number, because 47490413 - 2¹⁴ = 47474029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47490413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47490473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23745206 + 23745207.

It is an arithmetic number, because the mean of its divisors is an integer number (23745207).

Almost surely, 2^47490413 is an apocalyptic number.

It is an amenable number.

47490413 is a deficient number, since it is larger than the sum of its proper divisors (1).

47490413 is an equidigital number, since it uses as much as digits as its factorization.

47490413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 47490413 is about 6891.3288268664. The cubic root of 47490413 is about 362.1334555710.

Adding to 47490413 its reverse (31409474), we get a palindrome (78899887).

The spelling of 47490413 in words is "forty-seven million, four hundred ninety thousand, four hundred thirteen".