505450003 has 2 divisors, whose sum is σ = 505450004. Its totient is φ = 505450002.

The previous prime is 505449983. The next prime is 505450031. The reversal of 505450003 is 300054505.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505450003 - 2²¹ = 503352851 is a prime.

It is not a weakly prime, because it can be changed into another prime (505450063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252725001 + 252725002.

It is an arithmetic number, because the mean of its divisors is an integer number (252725002).

Almost surely, 2^505450003 is an apocalyptic number.

505450003 is a deficient number, since it is larger than the sum of its proper divisors (1).

505450003 is an equidigital number, since it uses as much as digits as its factorization.

505450003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 505450003 is about 22482.2152600672. The cubic root of 505450003 is about 796.5738914000.

The spelling of 505450003 in words is "five hundred five million, four hundred fifty thousand, three".