412035521 has 2 divisors, whose sum is σ = 412035522. Its totient is φ = 412035520.

The previous prime is 412035517. The next prime is 412035523. The reversal of 412035521 is 125530214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406465921 + 5569600 = 20161^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 412035521 - 2² = 412035517 is a prime.

Together with 412035523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (412035523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206017760 + 206017761.

It is an arithmetic number, because the mean of its divisors is an integer number (206017761).

Almost surely, 2^412035521 is an apocalyptic number.

It is an amenable number.

412035521 is a deficient number, since it is larger than the sum of its proper divisors (1).

412035521 is an equidigital number, since it uses as much as digits as its factorization.

412035521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 412035521 is about 20298.6581083578. The cubic root of 412035521 is about 744.1232699600.

Adding to 412035521 its reverse (125530214), we get a palindrome (537565735).

The spelling of 412035521 in words is "four hundred twelve million, thirty-five thousand, five hundred twenty-one".