47002489 has 2 divisors, whose sum is σ = 47002490. Its totient is φ = 47002488.

The previous prime is 47002477. The next prime is 47002499. The reversal of 47002489 is 98420074.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36000000 + 11002489 = 6000^2 + 3317^2 .

It is a cyclic number.

It is not a de Polignac number, because 47002489 - 2¹⁵ = 46969721 is a prime.

It is not a weakly prime, because it can be changed into another prime (47002429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23501244 + 23501245.

It is an arithmetic number, because the mean of its divisors is an integer number (23501245).

Almost surely, 2^47002489 is an apocalyptic number.

It is an amenable number.

47002489 is a deficient number, since it is larger than the sum of its proper divisors (1).

47002489 is an equidigital number, since it uses as much as digits as its factorization.

47002489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 47002489 is about 6855.8361269797. The cubic root of 47002489 is about 360.8889783753. Note that the first 3 decimals are identical.

The spelling of 47002489 in words is "forty-seven million, two thousand, four hundred eighty-nine".