405125474141 has 4 divisors (see below), whose sum is σ = 405131230812. Its totient is φ = 405119717472.

The previous prime is 405125474119. The next prime is 405125474167. The reversal of 405125474141 is 141474521504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 381146951641 + 23978522500 = 617371^2 + 154850^2 .

It is a cyclic number.

It is not a de Polignac number, because 405125474141 - 2⁶ = 405125474077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405125474095 and 405125474104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405125474041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2771450 + ... + 2913963.

It is an arithmetic number, because the mean of its divisors is an integer number (101282807703).

Almost surely, 2^405125474141 is an apocalyptic number.

It is an amenable number.

405125474141 is a deficient number, since it is larger than the sum of its proper divisors (5756671).

405125474141 is an equidigital number, since it uses as much as digits as its factorization.

405125474141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756670.

The product of its (nonzero) digits is 89600, while the sum is 38.

Adding to 405125474141 its reverse (141474521504), we get a palindrome (546599995645).

The spelling of 405125474141 in words is "four hundred five billion, one hundred twenty-five million, four hundred seventy-four thousand, one hundred forty-one".