405125005003 has 16 divisors (see below), whose sum is σ = 417858719040. Its totient is φ = 392528448000.

The previous prime is 405125004943. The next prime is 405125005013. The reversal of 405125005003 is 300500521504.

It is a cyclic number.

It is not a de Polignac number, because 405125005003 - 2²¹ = 405122907851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405125005013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43759551 + ... + 43768807.

It is an arithmetic number, because the mean of its divisors is an integer number (26116169940).

Almost surely, 2^405125005003 is an apocalyptic number.

405125005003 is a deficient number, since it is larger than the sum of its proper divisors (12733714037).

405125005003 is a wasteful number, since it uses less digits than its factorization.

405125005003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16518.

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 405125005003 its reverse (300500521504), we get a palindrome (705625526507).

The spelling of 405125005003 in words is "four hundred five billion, one hundred twenty-five million, five thousand, three".