412103521 has 12 divisors (see below), whose sum is σ = 446704212. Its totient is φ = 379849824.

The previous prime is 412103519. The next prime is 412103537. The reversal of 412103521 is 125301214.

It can be written as a sum of positive squares in 2 ways, for example, as 206324496 + 205779025 = 14364^2 + 14345^2 .

It is not a de Polignac number, because 412103521 - 2¹ = 412103519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (412103501) 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 11 ways as a sum of consecutive naturals, for example, 2070 + ... + 28783.

It is an arithmetic number, because the mean of its divisors is an integer number (37225351).

Almost surely, 2^412103521 is an apocalyptic number.

It is an amenable number.

412103521 is a deficient number, since it is larger than the sum of its proper divisors (34600691).

412103521 is a wasteful number, since it uses less digits than its factorization.

412103521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30928 (or 30909 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 412103521 is about 20300.3330268250. Note that the first 3 decimals coincide. The cubic root of 412103521 is about 744.1642029997.

Adding to 412103521 its reverse (125301214), we get a palindrome (537404735).

The spelling of 412103521 in words is "four hundred twelve million, one hundred three thousand, five hundred twenty-one".