416405503 has 2 divisors, whose sum is σ = 416405504. Its totient is φ = 416405502.

The previous prime is 416405491. The next prime is 416405537. The reversal of 416405503 is 305504614.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-416405503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416405203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208202751 + 208202752.

It is an arithmetic number, because the mean of its divisors is an integer number (208202752).

Almost surely, 2^416405503 is an apocalyptic number.

416405503 is a deficient number, since it is larger than the sum of its proper divisors (1).

416405503 is an equidigital number, since it uses as much as digits as its factorization.

416405503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 416405503 is about 20406.0163432258. The cubic root of 416405503 is about 746.7447077983.

The spelling of 416405503 in words is "four hundred sixteen million, four hundred five thousand, five hundred three".