411621031 has 4 divisors (see below), whose sum is σ = 411706152. Its totient is φ = 411535912.

The previous prime is 411620941. The next prime is 411621043. The reversal of 411621031 is 130126114.

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

It is a cyclic number.

It is not a de Polignac number, because 411621031 - 2¹⁷ = 411489959 is a prime.

It is a super-2 number, since 2×411621031² = 338863746323005922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411622031) 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, 34840 + ... + 45133.

It is an arithmetic number, because the mean of its divisors is an integer number (102926538).

Almost surely, 2^411621031 is an apocalyptic number.

411621031 is a deficient number, since it is larger than the sum of its proper divisors (85121).

411621031 is an equidigital number, since it uses as much as digits as its factorization.

411621031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85120.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 411621031 is about 20288.4457512151. The cubic root of 411621031 is about 743.8736675841.

Adding to 411621031 its reverse (130126114), we get a palindrome (541747145).

The spelling of 411621031 in words is "four hundred eleven million, six hundred twenty-one thousand, thirty-one".