415421002 has 4 divisors (see below), whose sum is σ = 623131506. Its totient is φ = 207710500.

The previous prime is 415420991. The next prime is 415421003. The reversal of 415421002 is 200124514.

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

It can be written as a sum of positive squares in only one way, i.e., 230705721 + 184715281 = 15189^2 + 13591^2 .

It is a super-3 number, since 3×415421002³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (415421003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103855249 + ... + 103855252.

Almost surely, 2^415421002 is an apocalyptic number.

415421002 is a deficient number, since it is larger than the sum of its proper divisors (207710504).

415421002 is a wasteful number, since it uses less digits than its factorization.

415421002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207710503.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 415421002 is about 20381.8792558488. The cubic root of 415421002 is about 746.1557377896.

Adding to 415421002 its reverse (200124514), we get a palindrome (615545516).

The spelling of 415421002 in words is "four hundred fifteen million, four hundred twenty-one thousand, two".