421552301 has 8 divisors (see below), whose sum is σ = 430053624. Its totient is φ = 413071360.

The previous prime is 421552277. The next prime is 421552309. The reversal of 421552301 is 103255124.

It can be written as a sum of positive squares in 4 ways, for example, as 294088201 + 127464100 = 17149^2 + 11290^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421552301 - 2¹⁸ = 421290157 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 (421552309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40781 + ... + 50061.

It is an arithmetic number, because the mean of its divisors is an integer number (53756703).

Almost surely, 2^421552301 is an apocalyptic number.

It is an amenable number.

421552301 is a deficient number, since it is larger than the sum of its proper divisors (8501323).

421552301 is an equidigital number, since it uses as much as digits as its factorization.

421552301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191.

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

The square root of 421552301 is about 20531.7388693700. The cubic root of 421552301 is about 749.8087221842.

The spelling of 421552301 in words is "four hundred twenty-one million, five hundred fifty-two thousand, three hundred one".