421453514 has 32 divisors (see below), whose sum is σ = 665113680. Its totient is φ = 200102400.

The previous prime is 421453489. The next prime is 421453519. The reversal of 421453514 is 415354124.

It can be written as a sum of positive squares in 8 ways, for example, as 588289 + 420865225 = 767^2 + 20515^2 .

It is not an unprimeable number, because it can be changed into a prime (421453519) 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 15 ways as a sum of consecutive naturals, for example, 544832 + ... + 545604.

Almost surely, 2^421453514 is an apocalyptic number.

421453514 is a deficient number, since it is larger than the sum of its proper divisors (243660166).

421453514 is a wasteful number, since it uses less digits than its factorization.

421453514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986.

The product of its digits is 9600, while the sum is 29.

The square root of 421453514 is about 20529.3330140071. Note that the first 3 decimals coincide. The cubic root of 421453514 is about 749.7501472926.

The spelling of 421453514 in words is "four hundred twenty-one million, four hundred fifty-three thousand, five hundred fourteen".