405013041 has 10 divisors (see below), whose sum is σ = 605019602. Its totient is φ = 270008640.

The previous prime is 405013031. The next prime is 405013061. The reversal of 405013041 is 140310504.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 306110016 + 98903025 = 17496^2 + 9945^2 .

It is not a de Polignac number, because 405013041 - 2⁹ = 405012529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405013031) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2500000 + ... + 2500161.

Almost surely, 2^405013041 is an apocalyptic number.

It is an amenable number.

405013041 is a deficient number, since it is larger than the sum of its proper divisors (200006561).

405013041 is an equidigital number, since it uses as much as digits as its factorization.

405013041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000173 (or 5000164 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 405013041 is about 20124.9358011398. The cubic root of 405013041 is about 739.8715634168.

Adding to 405013041 its reverse (140310504), we get a palindrome (545323545).

The spelling of 405013041 in words is "four hundred five million, thirteen thousand, forty-one".