411345257 has 4 divisors (see below), whose sum is σ = 411550020. Its totient is φ = 411140496.

The previous prime is 411345241. The next prime is 411345299. The reversal of 411345257 is 752543114.

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 348792976 + 62552281 = 18676^2 + 7909^2 .

It is a cyclic number.

It is not a de Polignac number, because 411345257 - 2⁴ = 411345241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411345217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99338 + ... + 103395.

It is an arithmetic number, because the mean of its divisors is an integer number (102887505).

Almost surely, 2^411345257 is an apocalyptic number.

It is an amenable number.

411345257 is a deficient number, since it is larger than the sum of its proper divisors (204763).

411345257 is a wasteful number, since it uses less digits than its factorization.

411345257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204762.

The product of its digits is 16800, while the sum is 32.

The square root of 411345257 is about 20281.6482811432. The cubic root of 411345257 is about 743.7075059685.

The spelling of 411345257 in words is "four hundred eleven million, three hundred forty-five thousand, two hundred fifty-seven".