47280403 has 2 divisors, whose sum is σ = 47280404. Its totient is φ = 47280402.

The previous prime is 47280377. The next prime is 47280407. The reversal of 47280403 is 30408274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47280403 - 2²¹ = 45183251 is a prime.

It is not a weakly prime, because it can be changed into another prime (47280407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23640201 + 23640202.

It is an arithmetic number, because the mean of its divisors is an integer number (23640202).

Almost surely, 2^47280403 is an apocalyptic number.

47280403 is a deficient number, since it is larger than the sum of its proper divisors (1).

47280403 is an equidigital number, since it uses as much as digits as its factorization.

47280403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 47280403 is about 6876.0746796410. The cubic root of 47280403 is about 361.5988632713.

Adding to 47280403 its reverse (30408274), we get a palindrome (77688677).

The spelling of 47280403 in words is "forty-seven million, two hundred eighty thousand, four hundred three".