411020531 has 16 divisors (see below), whose sum is σ = 442551648. Its totient is φ = 381024000.

The previous prime is 411020527. The next prime is 411020539. The reversal of 411020531 is 135020114.

It is a cyclic number.

It is not a de Polignac number, because 411020531 - 2² = 411020527 is a prime.

It is a super-2 number, since 2×411020531² = 337875753807043922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411020539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62081 + ... + 68381.

It is an arithmetic number, because the mean of its divisors is an integer number (27659478).

Almost surely, 2^411020531 is an apocalyptic number.

411020531 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

411020531 is a deficient number, since it is larger than the sum of its proper divisors (31531117).

411020531 is a wasteful number, since it uses less digits than its factorization.

411020531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 411020531 is about 20273.6412861627. The cubic root of 411020531 is about 743.5117541547.

Adding to 411020531 its reverse (135020114), we get a palindrome (546040645).

The spelling of 411020531 in words is "four hundred eleven million, twenty thousand, five hundred thirty-one".