415221053 has 4 divisors (see below), whose sum is σ = 447161148. Its totient is φ = 383280960.

The previous prime is 415221049. The next prime is 415221089. The reversal of 415221053 is 350122514.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48958009 + 366263044 = 6997^2 + 19138^2 .

It is a cyclic number.

It is not a de Polignac number, because 415221053 - 2² = 415221049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415221353) 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, 15970028 + ... + 15970053.

It is an arithmetic number, because the mean of its divisors is an integer number (111790287).

Almost surely, 2^415221053 is an apocalyptic number.

It is an amenable number.

415221053 is a deficient number, since it is larger than the sum of its proper divisors (31940095).

415221053 is a wasteful number, since it uses less digits than its factorization.

415221053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31940094.

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

The square root of 415221053 is about 20376.9735976666. The cubic root of 415221053 is about 746.0360062116.

Adding to 415221053 its reverse (350122514), we get a palindrome (765343567).

The spelling of 415221053 in words is "four hundred fifteen million, two hundred twenty-one thousand, fifty-three".