411621043 has 2 divisors, whose sum is σ = 411621044. Its totient is φ = 411621042.

The previous prime is 411620941. The next prime is 411621079. The reversal of 411621043 is 340126114.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-411621043 is a prime.

It is not a weakly prime, because it can be changed into another prime (411621443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205810521 + 205810522.

It is an arithmetic number, because the mean of its divisors is an integer number (205810522).

Almost surely, 2^411621043 is an apocalyptic number.

411621043 is a deficient number, since it is larger than the sum of its proper divisors (1).

411621043 is an equidigital number, since it uses as much as digits as its factorization.

411621043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 411621043 is about 20288.4460469500. The cubic root of 411621043 is about 743.8736748129.

Adding to 411621043 its reverse (340126114), we get a palindrome (751747157).

The spelling of 411621043 in words is "four hundred eleven million, six hundred twenty-one thousand, forty-three".