421574354 has 4 divisors (see below), whose sum is σ = 632361534. Its totient is φ = 210787176.

The previous prime is 421574353. The next prime is 421574369. The reversal of 421574354 is 453475124.

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., 312476329 + 109098025 = 17677^2 + 10445^2 .

It is not an unprimeable number, because it can be changed into a prime (421574353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105393587 + ... + 105393590.

Almost surely, 2^421574354 is an apocalyptic number.

421574354 is a deficient number, since it is larger than the sum of its proper divisors (210787180).

421574354 is a wasteful number, since it uses less digits than its factorization.

421574354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210787179.

The product of its digits is 67200, while the sum is 35.

The square root of 421574354 is about 20532.2759089196. The cubic root of 421574354 is about 749.8217970690.

The spelling of 421574354 in words is "four hundred twenty-one million, five hundred seventy-four thousand, three hundred fifty-four".