2478473 has 2 divisors, whose sum is σ = 2478474. Its totient is φ = 2478472.

The previous prime is 2478449. The next prime is 2478479. The reversal of 2478473 is 3748742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2393209 + 85264 = 1547^2 + 292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2478473 is a prime.

It is a super-2 number, since 2×2478473² = 12285656823458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2478479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239236 + 1239237.

It is an arithmetic number, because the mean of its divisors is an integer number (1239237).

2^2478473 is an apocalyptic number.

It is an amenable number.

2478473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478473 is an equidigital number, since it uses as much as digits as its factorization.

2478473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 35.

The square root of 2478473 is about 1574.3166771650. The cubic root of 2478473 is about 135.3302022027.

The spelling of 2478473 in words is "two million, four hundred seventy-eight thousand, four hundred seventy-three".