416240003 has 2 divisors, whose sum is σ = 416240004. Its totient is φ = 416240002.

The previous prime is 416239991. The next prime is 416240009. The reversal of 416240003 is 300042614.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-416240003 is a prime.

It is a super-3 number, since 3×416240003³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is equal to p_22155320 and since 416240003 and 22155320 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (416240009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208120001 + 208120002.

It is an arithmetic number, because the mean of its divisors is an integer number (208120002).

Almost surely, 2^416240003 is an apocalyptic number.

416240003 is a deficient number, since it is larger than the sum of its proper divisors (1).

416240003 is an equidigital number, since it uses as much as digits as its factorization.

416240003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 416240003 is about 20401.9607636129. The cubic root of 416240003 is about 746.6457636802.

Adding to 416240003 its reverse (300042614), we get a palindrome (716282617).

The spelling of 416240003 in words is "four hundred sixteen million, two hundred forty thousand, three".