412311021 has 4 divisors (see below), whose sum is σ = 549748032. Its totient is φ = 274874012.

The previous prime is 412310999. The next prime is 412311023. The reversal of 412311021 is 120113214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 412311021 - 2⁵ = 412310989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412311023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68718501 + ... + 68718506.

It is an arithmetic number, because the mean of its divisors is an integer number (137437008).

Almost surely, 2^412311021 is an apocalyptic number.

It is an amenable number.

412311021 is a deficient number, since it is larger than the sum of its proper divisors (137437011).

412311021 is a wasteful number, since it uses less digits than its factorization.

412311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137437010.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 412311021 is about 20305.4431372477. The cubic root of 412311021 is about 744.2890811391.

Adding to 412311021 its reverse (120113214), we get a palindrome (532424235).

The spelling of 412311021 in words is "four hundred twelve million, three hundred eleven thousand, twenty-one".