405103513 has 2 divisors, whose sum is σ = 405103514. Its totient is φ = 405103512.

The previous prime is 405103441. The next prime is 405103529. The reversal of 405103513 is 315301504.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328225689 + 76877824 = 18117^2 + 8768^2 .

It is a cyclic number.

It is not a de Polignac number, because 405103513 - 2²⁵ = 371549081 is a prime.

It is not a weakly prime, because it can be changed into another prime (405103213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202551756 + 202551757.

It is an arithmetic number, because the mean of its divisors is an integer number (202551757).

Almost surely, 2^405103513 is an apocalyptic number.

It is an amenable number.

405103513 is a deficient number, since it is larger than the sum of its proper divisors (1).

405103513 is an equidigital number, since it uses as much as digits as its factorization.

405103513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 405103513 is about 20127.1834343507. The cubic root of 405103513 is about 739.9266502656.

The spelling of 405103513 in words is "four hundred five million, one hundred three thousand, five hundred thirteen".