405512504303 has 2 divisors, whose sum is σ = 405512504304. Its totient is φ = 405512504302.

The previous prime is 405512504263. The next prime is 405512504311. The reversal of 405512504303 is 303405215504.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405512504303 - 2²⁸ = 405244068847 is a prime.

It is a super-2 number, since 2×405512504303² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 405512504303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405512503303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202756252151 + 202756252152.

It is an arithmetic number, because the mean of its divisors is an integer number (202756252152).

Almost surely, 2^405512504303 is an apocalyptic number.

405512504303 is a deficient number, since it is larger than the sum of its proper divisors (1).

405512504303 is an equidigital number, since it uses as much as digits as its factorization.

405512504303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 405512504303 its reverse (303405215504), we get a palindrome (708917719807).

The spelling of 405512504303 in words is "four hundred five billion, five hundred twelve million, five hundred four thousand, three hundred three".